diff --git a/entrypoint.sh b/entrypoint.sh
index 326f2ae..abf5ab3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -9,8 +9,18 @@ CREDS_ABS_PATH="$(readlink -f "${INPUT_CREDS_FILE}")"
 WORKING_DIR="$(dirname "${CONFIG_ABS_PATH}")"
 cd "$WORKING_DIR"
 
+ARGS=(
+  "$1"
+   --config "$CONFIG_ABS_PATH"
+)
+
+# 'check' sub-command doesn't require credentials
+if [ "$1" != "check" ]; then
+    ARGS+=(--creds "$CREDS_ABS_PATH")
+fi
+
 IFS=
-OUTPUT="$(dnscontrol "$1" --config "$CONFIG_ABS_PATH" --creds "$CREDS_ABS_PATH")"
+OUTPUT="$(dnscontrol "${ARGS[@]}")"
 
 echo "$OUTPUT"