diff --git a/backend/drm/util.c b/backend/drm/util.c
index 86dc1517..69748fcf 100644
--- a/backend/drm/util.c
+++ b/backend/drm/util.c
@@ -167,6 +167,9 @@ const char *conn_get_name(uint32_t type_id) {
 	case DRM_MODE_CONNECTOR_WRITEBACK:   return "Writeback";
 #ifdef DRM_MODE_CONNECTOR_SPI
 	case DRM_MODE_CONNECTOR_SPI:         return "SPI";
+#endif
+#ifdef DRM_MODE_CONNECTOR_USB
+	case DRM_MODE_CONNECTOR_USB:         return "USB";
 #endif
 	default:                             return "Unknown";
 	}