diff --git a/buildkit/action.yml b/buildkit/action.yml
index 6d4e784..34a46ad 100644
--- a/buildkit/action.yml
+++ b/buildkit/action.yml
@@ -105,9 +105,9 @@ runs:
           echo "{\"auths\":{\"$INPUT_REGISTRY\":{\"username\":\"$INPUT_REGISTRY_USERNAME\",\"password\":\"$INPUT_REGISTRY_PASSWORD\"}}}" > $DOCKER_CONFIG/config.json
         fi
 
-        target_args = ""
+        target_args=""
         if [ -n "$INPUT_TARGET" ]; then
-          target_args = "--target=$INPUT_TARGET"
+          target_args="--target=$INPUT_TARGET"
         fi
 
         # build and push using buildkit