diff --git a/entrypoint.sh b/entrypoint.sh
index 87aae37..2f7266a 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -15,7 +15,7 @@ if [ -n "$INPUT_INPUT_FILES" ]; then
     err=0
     for file in $INPUT_INPUT_FILES; do
         echo /app/addlicense -check "$1" "$file" | sh
-        if [ "$?" -ne 0 ]; then
+        if [ $? -ne 0 ]; then
             err=$?
         fi
     done