X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fcritical.c;h=f151925cc19fca86327ad141cb7695243ace400a;hp=5669304b374df58b38c1bb18d146c3f88d4b5f45;hb=07faf451b99879183ed7e909e43a0e065be1ee7f;hpb=49f5b54f312fe4ac2e9bc47581a72451bd0e8439

diff --git a/hacks/critical.c b/hacks/critical.c
index 5669304b..f151925c 100644
--- a/hacks/critical.c
+++ b/hacks/critical.c
@@ -289,7 +289,8 @@ critical_init (Display *dpy, Window window)
      screens. */
   model_w = 80;
   st->settings.cell_size = st->wattr.width / model_w;
-  model_h = st->wattr.height / st->settings.cell_size;
+  model_h = st->settings.cell_size ?
+    st->wattr.height / st->settings.cell_size : 0;
 
   /* Construct the initial model state. */