--- a/scripts/convert-2m4a.sh
+++ b/scripts/convert-2m4a.sh
@@ -21,7 +21,7 @@
 
 # Constants
 extension="m4a"
-ENCODER_OPTS="-q 150 -c 22000"
+ENCODER_OPTS="-q 150 -c 22000 --overwrite"
 # use the following for better quality (25% increase in file size) or simply
 # specify your options with "-q ..."
 #ENCODER_OPTS="-q 256 -c 44100"