diff --git a/runtime/src/gpu.c b/runtime/src/gpu.c
index 459a0a59..47d063b8 100644
--- a/runtime/src/gpu.c
+++ b/runtime/src/gpu.c
@@ -5602,11 +5602,13 @@ static void ws_ui_prepass_add(const uint32_t *words, uint32_t word_count,
 
     int32_t width = max_x - min_x, height = max_y - min_y;
     int32_t X = ws_disp_x(), W = ws_disp_w(), H = ws_disp_h();
-    /* Anything spanning the whole display width is a full-width overlay --
-     * letterbox bars, fade strips, subtitle bands -- not a widget: it widens
-     * with the image. Squashed as UI, a cutscene's bars left the revealed
-     * margins showing whatever the frame cleared to (Spider-Man). */
-    if ((min_x <= X && max_x >= X + W) ||
+    /* Anything spanning the display width (to within W/64 of each edge) is a
+     * full-width overlay -- letterbox bars, fade strips, menu band rules --
+     * not a widget: it widens with the image. Squashed as UI, a cutscene's
+     * bars left the revealed margins showing whatever the frame cleared to,
+     * and the pause menu's rules (x 2..510 of 512) stopped short of the band
+     * they frame (Spider-Man). */
+    if ((min_x <= X + W / 64 && max_x >= X + W - W / 64) ||
         (width > W / 2 && height > H / 4)) {
         ws_ui_reject.too_big++;
         return;
diff --git a/runtime/tests/test_ws_auto_ui_untextured_exec.c b/runtime/tests/test_ws_auto_ui_untextured_exec.c
index 7b2c012a..f22bc5d2 100644
--- a/runtime/tests/test_ws_auto_ui_untextured_exec.c
+++ b/runtime/tests/test_ws_auto_ui_untextured_exec.c
@@ -259,6 +259,15 @@ int main(void) {
         gpu_ws_prepass_linked_list(OT_HEAD);
         assert(ws_ui_prepass_count == 2);        /* frame + gouraud fill only */
         assert(ws_ui_reject.too_big == 1);
+        /* A rule stopping two pixels short of each edge is full width too. */
+        const uint32_t rule[5] = {
+            0x28000000u, pack_vertex((int16_t)(bx0 + 2), 40), pack_vertex((int16_t)(bx1 - 2), 40),
+            pack_vertex((int16_t)(bx0 + 2), 44), pack_vertex((int16_t)(bx1 - 2), 44),
+        };
+        put_node(NODE_FLAT, 0xFFFFFFu, rule, 5);
+        gpu_ws_prepass_linked_list(OT_HEAD);
+        assert(ws_ui_prepass_count == 2 && ws_ui_reject.too_big == 1);
+        put_node(NODE_FLAT, 0xFFFFFFu, bar, 5);
         gpu_exec_reset_triangles();
         load_packet(NODE_FLAT, 5);
         gp0_exec_mono_quad();