diff --git a/render/vulkan/renderer.c b/render/vulkan/renderer.c
index 3721d466..7bd4576f 100644
--- a/render/vulkan/renderer.c
+++ b/render/vulkan/renderer.c
@@ -961,6 +961,8 @@ static void vulkan_end(struct wlr_renderer *wlr_renderer) {
 		stage_sub->pNext = &stage_timeline_submit_info;
 		stage_sub->commandBufferCount = 1u;
 		stage_sub->pCommandBuffers = &pre_cb;
+		stage_sub->signalSemaphoreCount = 1;
+		stage_sub->pSignalSemaphores = &renderer->timeline_semaphore;
 		++submit_count;
 
 		if (renderer->stage.last_timeline_point > 0) {