diff --git a/minke/mdctools.py b/minke/mdctools.py
index 1827e11..6e38472 100644
--- a/minke/mdctools.py
+++ b/minke/mdctools.py
@@ -748,7 +748,8 @@ def generate_gwf(self, mdc, directory, project = "Minke", channel="SCIENCE", for
 
             # Make the directory in which to store the files
             # if it doesn't exist already
-
+            mkdir(frameloc)
+            
             # Write out the frame file
             lalframe.FrameWrite(frame, frameloc+filename)