diff --git a/types/output/output.c b/types/output/output.c
index 9222459c..6dc09d3a 100644
--- a/types/output/output.c
+++ b/types/output/output.c
@@ -751,8 +751,8 @@ void wlr_output_send_present(struct wlr_output *output,
 	assert(event);
 	event->output = output;
 
+	struct timespec now;
 	if (event->presented && event->when == NULL) {
-		struct timespec now;
 		clockid_t clock = wlr_backend_get_presentation_clock(output->backend);
 		errno = 0;
 		if (clock_gettime(clock, &now) != 0) {