diff --git a/src/systray/systraybar.c b/src/systray/systraybar.c
index edf0706..3cdc252 100644
--- a/src/systray/systraybar.c
+++ b/src/systray/systraybar.c
@@ -521,7 +521,7 @@ void systray_render_icon_now(void* t)
 	imlib_context_set_image(image);
 	imlib_image_set_has_alpha(1);
 	DATA32* data = imlib_image_get_data();
-	if (traywin->depth == 24) {
+	if (traywin->depth == 24 && server.depth != 24) {
 		createHeuristicMask(data, traywin->width, traywin->height);
 	}
 	if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)