diff --git a/entrypoint.sh b/entrypoint.sh
index d2c5cde..12ccc85 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -11,14 +11,14 @@ echo "Processing event '$GITHUB_EVENT_NAME'"
 echo "List of files with absent license:"
 echo "==================================="
 err=0
-if [ -e $INPUT_INPUT_FILES ]; then
-	for file in $INPUT_INPUT_FILES; do
-		echo /app/addlicense -check "$1" $file | sh
-		if [ $? -ne 0]; then
-			err=$?
-		fi
-	done
-	exit $err
+if [ -n $INPUT_INPUT_FILES ]; then
+    for file in $INPUT_INPUT_FILES; do
+        echo /app/addlicense -check "$1" $file | sh
+        if [ $? -ne 0]; then
+            err=$?
+        fi
+    done
+    exit $err
 else
-	echo /app/addlicense -check "$1" . | sh
+    echo /app/addlicense -check "$1" . | sh
 fi