diff --git a/hack/shellcheck.sh b/hack/shellcheck.sh
index 438d215..b0d1f91 100755
--- a/hack/shellcheck.sh
+++ b/hack/shellcheck.sh
@@ -7,7 +7,7 @@ CONTAINER_RUNTIME="${CONTAINER_RUNTIME:-podman}"
 
 if [ "${IS_CONTAINER}" != "false" ]; then
     TOP_DIR="${1:-.}"
-    find "${TOP_DIR}" \( -name '*.sh' -o -wholename 'scripts/*' \) -exec shellcheck -s bash {} \+
+    find "${TOP_DIR}" \( -name '*.sh' -o -wholename 'scripts/*' \) -type f -exec shellcheck -s bash {} \+
 else
     "${CONTAINER_RUNTIME}" run --rm \
         --env IS_CONTAINER=TRUE \