diff --git a/hardware/is_camera/CMakeLists.txt b/hardware/is_camera/CMakeLists.txt
index 7207ab0758..1b99a90057 100644
--- a/hardware/is_camera/CMakeLists.txt
+++ b/hardware/is_camera/CMakeLists.txt
@@ -41,7 +41,7 @@ find_package_handle_standard_args(V4L2 DEFAULT_MSG
 
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/localization/camera/CMakeLists.txt b/localization/camera/CMakeLists.txt
index 5b1916f3c3..d4db4e4817 100644
--- a/localization/camera/CMakeLists.txt
+++ b/localization/camera/CMakeLists.txt
@@ -33,7 +33,7 @@ find_package(Boost REQUIRED COMPONENTS system)
 find_package(Eigen3 REQUIRED)
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 
diff --git a/localization/depth_odometry/CMakeLists.txt b/localization/depth_odometry/CMakeLists.txt
index 356637de3f..feeb4a88d2 100644
--- a/localization/depth_odometry/CMakeLists.txt
+++ b/localization/depth_odometry/CMakeLists.txt
@@ -36,7 +36,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 )
 
 # Find OpenCV3
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 find_package(Eigen3 REQUIRED)
diff --git a/localization/graph_localizer/CMakeLists.txt b/localization/graph_localizer/CMakeLists.txt
index 2ca1532524..c3e4bf63ae 100644
--- a/localization/graph_localizer/CMakeLists.txt
+++ b/localization/graph_localizer/CMakeLists.txt
@@ -43,7 +43,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 )
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/localization/interest_point/CMakeLists.txt b/localization/interest_point/CMakeLists.txt
index 2989c725ad..594889029f 100644
--- a/localization/interest_point/CMakeLists.txt
+++ b/localization/interest_point/CMakeLists.txt
@@ -32,7 +32,7 @@ find_package(Eigen3 REQUIRED)
 find_package(OpenMVG QUIET REQUIRED)
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/localization/localization_measurements/CMakeLists.txt b/localization/localization_measurements/CMakeLists.txt
index b7a1840b4f..496be2d3ac 100644
--- a/localization/localization_measurements/CMakeLists.txt
+++ b/localization/localization_measurements/CMakeLists.txt
@@ -36,7 +36,7 @@ find_package(PCL REQUIRED COMPONENTS common features filters octree search)
 find_package(pcl_conversions REQUIRED)
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 # System dependencies are found with CMake's conventions
diff --git a/localization/localization_node/CMakeLists.txt b/localization/localization_node/CMakeLists.txt
index 3c87b8fca4..04549ce379 100644
--- a/localization/localization_node/CMakeLists.txt
+++ b/localization/localization_node/CMakeLists.txt
@@ -39,7 +39,7 @@ find_package(OpenMVG QUIET REQUIRED)
 find_package(Eigen3 REQUIRED)
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/localization/marker_tracking/CMakeLists.txt b/localization/marker_tracking/CMakeLists.txt
index 96488dbed6..8b64981e89 100644
--- a/localization/marker_tracking/CMakeLists.txt
+++ b/localization/marker_tracking/CMakeLists.txt
@@ -43,7 +43,7 @@ find_package(Alvar REQUIRED)
 
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/localization/optimization_common/CMakeLists.txt b/localization/optimization_common/CMakeLists.txt
index 640081a4d6..e6b83be7ca 100644
--- a/localization/optimization_common/CMakeLists.txt
+++ b/localization/optimization_common/CMakeLists.txt
@@ -29,7 +29,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 find_package(Eigen3 REQUIRED)
 
 # Non-linear optimizer
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(Ceres REQUIRED)
 
 catkin_package(
diff --git a/localization/sparse_mapping/CMakeLists.txt b/localization/sparse_mapping/CMakeLists.txt
index 01b60dd23f..f8f0b46a72 100644
--- a/localization/sparse_mapping/CMakeLists.txt
+++ b/localization/sparse_mapping/CMakeLists.txt
@@ -42,7 +42,7 @@ find_package(dbow2 REQUIRED)
 
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 
diff --git a/localization/vision_common/CMakeLists.txt b/localization/vision_common/CMakeLists.txt
index 2d006e55e7..3f28e2bf2a 100644
--- a/localization/vision_common/CMakeLists.txt
+++ b/localization/vision_common/CMakeLists.txt
@@ -30,7 +30,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 find_package(GTSAM REQUIRED)
 
 # Find OpenCV3
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 find_package(Eigen3 REQUIRED)
diff --git a/localization/vive_localization/CMakeLists.txt b/localization/vive_localization/CMakeLists.txt
index eb85937dd4..55f8a802da 100644
--- a/localization/vive_localization/CMakeLists.txt
+++ b/localization/vive_localization/CMakeLists.txt
@@ -37,7 +37,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 find_package(Eigen3 REQUIRED)
 
 # Find OpenCV3
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV 3.3.1 REQUIRED)
 
 # Non-linear optimizer
diff --git a/management/executive/CMakeLists.txt b/management/executive/CMakeLists.txt
index 0901a5d81b..ac8ef7e8a8 100644
--- a/management/executive/CMakeLists.txt
+++ b/management/executive/CMakeLists.txt
@@ -37,7 +37,7 @@ find_package(cmake_modules REQUIRED)
 find_package(Boost REQUIRED COMPONENTS system iostreams)
 
 # Find jsoncpp
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(JsonCpp REQUIRED)
 
 catkin_package(
diff --git a/mobility/mapper/CMakeLists.txt b/mobility/mapper/CMakeLists.txt
index 5db03a90e8..37b9f4f0d3 100644
--- a/mobility/mapper/CMakeLists.txt
+++ b/mobility/mapper/CMakeLists.txt
@@ -36,7 +36,7 @@ find_package(catkin2 REQUIRED COMPONENTS
   octomap
 )
 
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(Octomap REQUIRED)
 
 # Find Eigen3
diff --git a/mobility/planner_qp/planner_qp/CMakeLists.txt b/mobility/planner_qp/planner_qp/CMakeLists.txt
index 065d2a6acf..d74e56fd2d 100644
--- a/mobility/planner_qp/planner_qp/CMakeLists.txt
+++ b/mobility/planner_qp/planner_qp/CMakeLists.txt
@@ -23,7 +23,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../../../cmake")
 
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 find_package(JPS3D REQUIRED)
diff --git a/mobility/planner_qp/traj_opt_pro/CMakeLists.txt b/mobility/planner_qp/traj_opt_pro/CMakeLists.txt
index 44b0306832..9962de707f 100644
--- a/mobility/planner_qp/traj_opt_pro/CMakeLists.txt
+++ b/mobility/planner_qp/traj_opt_pro/CMakeLists.txt
@@ -46,7 +46,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 find_package(Eigen3 REQUIRED)
 
 # Find OpenCV
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../../cmake")
 find_package(OpenCV331 REQUIRED)
 
 catkin_package(
diff --git a/shared/config_reader/CMakeLists.txt b/shared/config_reader/CMakeLists.txt
index f23ac4fcc1..972a2b8e41 100644
--- a/shared/config_reader/CMakeLists.txt
+++ b/shared/config_reader/CMakeLists.txt
@@ -29,7 +29,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 )
 
 ## System dependencies are found with CMake's conventions
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(Luajit20 REQUIRED)
 
 catkin_package(
diff --git a/shared/jsonloader/CMakeLists.txt b/shared/jsonloader/CMakeLists.txt
index 2e4e496228..d3c678c1ed 100644
--- a/shared/jsonloader/CMakeLists.txt
+++ b/shared/jsonloader/CMakeLists.txt
@@ -30,7 +30,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 )
 
 find_package(Eigen3 REQUIRED)
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(JsonCpp REQUIRED)
 
 catkin_package(
diff --git a/simulation/CMakeLists.txt b/simulation/CMakeLists.txt
index ac82d556e1..2c37703890 100644
--- a/simulation/CMakeLists.txt
+++ b/simulation/CMakeLists.txt
@@ -45,7 +45,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 find_package(gazebo REQUIRED)
 
 # Find jsoncpp
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../cmake")
 find_package(JsonCpp REQUIRED)
 
 # Add gazebo to the link directorries
diff --git a/tools/calibration/CMakeLists.txt b/tools/calibration/CMakeLists.txt
index ecaa6e19a5..e7093e55b1 100644
--- a/tools/calibration/CMakeLists.txt
+++ b/tools/calibration/CMakeLists.txt
@@ -31,7 +31,7 @@ find_package(catkin2 REQUIRED COMPONENTS
 )
 
 # Find OpenCV3
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../../cmake")
 find_package(OpenCV 3.3.1 REQUIRED)
 
 find_package(Eigen3 REQUIRED)