diff --git a/mt-kahypar/dynamic/dynamic_io.h b/mt-kahypar/dynamic/dynamic_io.h
index 87442734d..23f0abb83 100644
--- a/mt-kahypar/dynamic/dynamic_io.h
+++ b/mt-kahypar/dynamic/dynamic_io.h
@@ -295,10 +295,11 @@ namespace mt_kahypar::dyn {
       file.close();
     }
 
-    void initOutputFile(Context& context, DynamicStrategy* strategy) {
+    void initOutputFile(Context& context) {
       if (context.dynamic.server) {
         return;
       }
+      generateFileName(context);
       std::string filename = context.dynamic.output_path;
       std::ofstream file(filename);
       if (!file.is_open()) {
diff --git a/mt-kahypar/dynamic/dynamic_partitioner.h b/mt-kahypar/dynamic/dynamic_partitioner.h
index 152057599..d11402bc4 100644
--- a/mt-kahypar/dynamic/dynamic_partitioner.h
+++ b/mt-kahypar/dynamic/dynamic_partitioner.h
@@ -30,7 +30,7 @@ namespace mt_kahypar::dyn {
         throw std::runtime_error("Unknown dynamic strategy: " + context.dynamic.strategy);
       }
 
-      initOutputFile(context, strategy);
+      initOutputFile(context);
 
       try {