diff --git a/minke/mdctools.py b/minke/mdctools.py
index 1827e11e48061c631bddf35c8aea81a18d76014b..6e3847255d056d799e6899552cb74c86cb96d0b0 100644
--- a/minke/mdctools.py
+++ b/minke/mdctools.py
@@ -748,7 +748,8 @@ class Frame():
 
             # 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)