diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index bd9295d..e0d2583 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -4,6 +4,7 @@ on: [push, pull_request]
 
 jobs:
   shellcheck:
-    - runs-on: ubuntu-latest
-    - name: shellcheck
-      uses: ludeeus/action-shellcheck@0.1.0
+    runs-on: ubuntu-latest
+    steps:
+      - name: shellcheck
+        uses: ludeeus/action-shellcheck@0.1.0
diff --git a/tdrop b/tdrop
index 2defed7..8189a17 100755
--- a/tdrop
+++ b/tdrop
@@ -181,7 +181,7 @@ done
 shift "$((OPTIND-1))"
 program=$1
 
-if [[ -z $program_flags ]]; then
+if [[ ${#program_flags[@]} -eq 0 ]]; then
 	program_flags=("${@:2}")
 fi