diff --git a/Makefile b/Makefile
index 8857040..f5d5485 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ MOYEN = +w1152 +h900
 GRAND = +w1600 +h1200
 DIMS=$(MOYEN)
 
-OPTS = +a +q9 -d
+OPTS = +a0.01 +q9 -d
 
 POVRAY = povray