diff --git a/src/gui_photon.c b/src/gui_photon.c
index fc96cc1..d4360fe 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -1895,7 +1895,7 @@
     }
 }
 
-    int
+    void
 gui_mch_getmouse(int *x, int *y)
 {
     PhCursorInfo_t info;