X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Flavalite.c;h=8c2d800c2f4b353daeee0d39ab4bfa430dc39943;hp=e40fdc0306c518e67959dcf6b9f85374553ed294;hb=6cee540bdbb571485cd5e519f89f389faebd0495;hpb=40eacb5812ef7c0e3374fb139afbb4f5bc8bbfb5

diff --git a/hacks/glx/lavalite.c b/hacks/glx/lavalite.c
index e40fdc03..8c2d800c 100644
--- a/hacks/glx/lavalite.c
+++ b/hacks/glx/lavalite.c
@@ -1237,7 +1237,10 @@ animate_lava (ModeInfo *mi)
 
   mi->polygon_count = 0;
   {
-    double s = 1.0/bp->grid_size;
+    double s;
+    if (bp->grid_size == 0) bp->grid_size = 1;  /* first time through */
+    s = 1.0/bp->grid_size;
+
     glPushMatrix();
     glTranslatef (-0.5, -0.5, 0);
     glScalef (s, s, s);