diff --git a/c/xlib/client.c b/c/xlib/client.c
index 4463b31..36e5788 100644
--- a/c/xlib/client.c
+++ b/c/xlib/client.c
@@ -251,6 +251,9 @@ s48_value scx_Wm_Hints (s48_value dpy, s48_value w) {
     
     S48_GC_UNPROTECT();
   }
+
+  XFree((char*)p);
+  
   return res;
 }