diff --git a/check-submodules.sh b/check-submodules.sh
index 550d6fc32..27d91805c 100755
--- a/check-submodules.sh
+++ b/check-submodules.sh
@@ -63,7 +63,7 @@ if [ "$(ls -A $COMPARE)" ]; then
     for METRIC in "${METRICS[@]}"
     do
 
-        FILES=`grep -i -l $METRIC $COMPARE/* | head -$MT_THRESHOLD`
+        FILES=`grep -r -i -l $METRIC $COMPARE | head -$MT_THRESHOLD`
         if [ ${#FILES[@]} -ne 0 ]
         then
             mkdir -p $OUTPUT_DIR/$METRIC