diff --git a/src/switchpanel.c b/src/switchpanel.c
index fa61032..651e154 100644
--- a/src/switchpanel.c
+++ b/src/switchpanel.c
@@ -645,7 +645,9 @@ WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back, int ignore_minimi
 		scrollIcons(panel, panel->current - panel->firstVisible - panel->visibleCount + 1);
 
 	if (panel->win) {
-		drawTitle(panel, panel->current, wwin->frame->title);
+		/* Phase 76: Wayland windows have no frame — fall back to wm_class */
+		drawTitle(panel, panel->current,
+		          wwin->frame ? wwin->frame->title : wwin->wm_class);
 		if (panel->current != orig)
 			changeImage(panel, orig, 0, dim, False);
 		changeImage(panel, panel->current, 1, False, False);
@@ -673,7 +675,8 @@ WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
 	}
 
 	wwin = WMGetFromArray(panel->windows, panel->current);
-	title = wwin->frame->title;
+	/* Phase 76: Wayland windows have no frame — fall back to wm_class */
+	title = wwin->frame ? wwin->frame->title : wwin->wm_class;
 
 	if (panel->win) {
 		for (WMArrayFirst(panel->windows, &(i)); (i) != WANotFound; WMArrayNext(panel->windows, &(i)))
@@ -713,7 +716,9 @@ WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
 
 		wwin = WMGetFromArray(panel->windows, focus);
 
-		drawTitle(panel, panel->current, wwin->frame->title);
+		/* Phase 76: Wayland windows have no frame — fall back to wm_class */
+		drawTitle(panel, panel->current,
+		          wwin->frame ? wwin->frame->title : wwin->wm_class);
 
 		return wwin;
 	}
diff --git a/tests/wl-smoke-test.sh b/tests/wl-smoke-test.sh
index 18320df..3b950ee 100755
--- a/tests/wl-smoke-test.sh
+++ b/tests/wl-smoke-test.sh
@@ -86,8 +86,11 @@
 #      wWindowSaveState use client geometry fallback when frame is NULL
 #      (build-only check).
 #  33. (Phase 75) Frame NULL guards in cycling.c: raiseWindow skips stacking
-#      for Wayland windows; change_focus_and_raise skips fullscreen stacking
-#      restore when frame is NULL (build-only check).
+#      for Wayland windows; change_focus_and_raise guards fullscreen stacking
+#      restore (build-only check).
+#  34. (Phase 76) switchpanel.c: Alt-Tab panel title falls back to
+#      wwin->wm_class when frame is NULL so Wayland windows appear in the
+#      switcher without crashing (build-only check).
 #
 # This test grows as wl_backend vtable slots are implemented.
 #