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-rw-r--r--gtk/gtk_scaffolding.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk/gtk_scaffolding.c b/gtk/gtk_scaffolding.c
index 073d85776..c767f5414 100644
--- a/gtk/gtk_scaffolding.c
+++ b/gtk/gtk_scaffolding.c
@@ -1837,6 +1837,8 @@ void gui_window_set_icon(struct gui_window *_g, hlcache_handle *icon)
if (icon == NULL)
return;
+ if (g->top_level != _g)
+ return;
#ifdef WITH_BMP
if (content_get_type(icon) == CONTENT_ICO)