diff --git a/test/renders/mixtex.rif b/test/renders/mixtex.rif
index 758c4cd93..9cf64adb2 100644
--- a/test/renders/mixtex.rif
+++ b/test/renders/mixtex.rif
@@ -1,4 +1,4 @@
-# RCSid $Id: mixtex.rif,v 1.7 2021/01/01 20:15:35 greg Exp $
+# RCSid $Id: mixtex.rif,v 1.8 2021/01/03 00:07:03 greg Exp $
 #
 # A test of different mixtures and textures on disks
 #
@@ -20,8 +20,8 @@ ZONE = I -8 0 0 5 0 3
 
 EXP = 1.5
 
-PGMAP = mixtex.gpm 1M 40 100
-PCMAP = mixtex.cpm 10M 40
+PGMAP = mixtex.gpm 1M 40
+PCMAP = mixtex.cpm 10M 40 400
 
 RES = 1024
 QUAL = Med