diff --git a/scripts/generate-connector-secrets-override.sh b/scripts/generate-connector-secrets-override.sh
index c06e146d..7fc6e9ef 100755
--- a/scripts/generate-connector-secrets-override.sh
+++ b/scripts/generate-connector-secrets-override.sh
@@ -113,7 +113,7 @@ while IFS=$'\t' read -r name target; do
   }
   source_name="${name%_FILE}_SOURCE"
   source_path="$(read_env_value "$operator_env" "$source_name")"
-  if [[ -v "$source_name" ]]; then
+  if [[ -n "${!source_name+x}" ]]; then
     source_path="${!source_name}"
   fi
   if [[ -z "$source_path" ]]; then