diff --git a/src/backend/wayland/wl_framebuf.c b/src/backend/wayland/wl_framebuf.c
index 655f741..2bfea5e 100644
--- a/src/backend/wayland/wl_framebuf.c
+++ b/src/backend/wayland/wl_framebuf.c
@@ -578,12 +578,22 @@ wl_frame_paint(struct WFrameWindow *fwin)
                 wlr_scene_node_set_position(&tb_fb->scene_buf->node, 0, 0);
         }
 
-        /* If titlebar buffer is too narrow, draw into parent frame instead
-         * to avoid replacing the pixman image while the scene graph may still
-         * hold a reference to the old wlr_buffer data. */
+        /* Resize titlebar buffer if too narrow — detach from scene graph
+         * first so the old pixel data isn't accessed after being freed. */
         if (tb_fb && tb_fb->width < tb_w) {
-            tb_img = fb->image;
-            tb_fb = NULL;
+            if (tb_fb->scene_buf)
+                wlr_scene_buffer_set_buffer(tb_fb->scene_buf, NULL);
+            pixman_image_unref(tb_fb->image);
+            tb_fb->image = pixman_image_create_bits(PIXMAN_a8r8g8b8,
+                                                    tb_w, tb_h, NULL, 0);
+            tb_fb->width = tb_w;
+            tb_fb->height = tb_h;
+            tb_fb->base.width = tb_w;
+            tb_fb->base.height = tb_h;
+            tb_img = tb_fb->image;
+            W_RegisterBacking(tb_fb->id, tb_fb->image);
+            if (tb_fb->scene_buf)
+                wlr_scene_buffer_set_dest_size(tb_fb->scene_buf, tb_w, tb_h);
         }
         WTexture *tex = fwin->title_texture[state];