diff --git a/src/backends/native/meta-output-kms.c b/src/backends/native/meta-output-kms.c
index d002f1098..0393a6217 100644
--- a/src/backends/native/meta-output-kms.c
+++ b/src/backends/native/meta-output-kms.c
@@ -342,6 +342,9 @@ maybe_add_fallback_modes (const MetaKmsConnectorState *connector_state,
                           MetaGpuKms                  *gpu_kms,
                           MetaKmsConnector            *kms_connector)
 {
+  if (!connector_state->modes)
+    return;
+
   if (!connector_state->has_scaling)
     return;