diff --git a/src/os_mswin.c b/src/os_mswin.c
index 26d8533..27bd3d8 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -239,6 +239,11 @@
 
     if (gui.in_use)
 	gui_exit(r);
+
+#ifdef EXITFREE
+    free_all_mem();
+#endif
+
     exit(r);
 }