diff --git a/wolf_scripts/license_manager.sh b/wolf_scripts/license_manager.sh
index 56fe34025705aa077950ff1e57d95f9ad1765818..2e90fb0ad205c6a94908aecb873fd83ebe8804c6 100755
--- a/wolf_scripts/license_manager.sh
+++ b/wolf_scripts/license_manager.sh
@@ -136,6 +136,7 @@ echo "Recursively adding license header to all files (.c, .cpp, .h, .hpp):"
 for i in $file_list
 do
   if grep -Fxq ${line_start_mark} $i; then
+    :
   else
     echo " - ${i}"
     ( echo ${line_start_mark}$'\n//'; cat ${license}; echo $'//\n'${line_end_mark}; cat $i ) > temp_file