diff --git a/src/picom.c b/src/picom.c
index 9234253..503cc31 100644
--- a/src/picom.c
+++ b/src/picom.c
@@ -205,11 +205,15 @@ static inline void get_screen_region(session_t *ps, region_t *res) {
 
 void add_damage(session_t *ps, const region_t *damage) {
 	// Ignore damage when screen isn't redirected
-	if (!ps->redirected)
+	if (!ps->redirected) {
 		return;
+	}
 
-	if (!damage)
+	if (!damage) {
 		return;
+	}
+	log_trace("Adding damage: ");
+	dump_region(damage);
 	pixman_region32_union(ps->damage, ps->damage, (region_t *)damage);
 }
 
diff --git a/src/win.c b/src/win.c
index d223a7f..5cec8a8 100644
--- a/src/win.c
+++ b/src/win.c
@@ -434,6 +434,8 @@ void win_process_update_flags(session_t *ps, struct managed_win *w) {
 	// Whether the window was visible before we process the mapped flag. i.e. is the
 	// window just mapped.
 	bool was_visible = win_is_real_visible(w);
+	log_debug("Processing flags for window %#010x (%s), was visible: %d", w->base.id,
+	          w->name, was_visible);
 
 	if (win_check_flags_all(w, WIN_FLAGS_MAPPED)) {
 		map_win_start(ps, w);