diff -r 6872b59217a7 -r 019d078d665e ui/motif/container.c
--- a/ui/motif/container.c	Mon Nov 17 14:27:48 2025 +0100
+++ b/ui/motif/container.c	Mon Nov 17 14:31:48 2025 +0100
@@ -449,6 +449,7 @@
     tabview->current_index = -1;
     
     UiTabViewContainer *ct = ui_malloc(obj->ctx, sizeof(UiTabViewContainer));
+    memset(ct, 0, sizeof(UiTabViewContainer));
     ct->container.widget = form;
     ct->container.type = UI_CONTAINER_TABVIEW;
     ct->container.prepare = ui_tabview_container_prepare;