diff --git a/Makefile b/Makefile
index 68e392d..2ff4127 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 
 DIMS   = -W1600 -H1200 
 
-POVOPT = +q9 +A0.05   Declare=NbFrames=450  -d
+POVOPT = +q9 +A0.05 -WT2   Declare=NbFrames=450  -d
 
 POVDEP = contexte.inc hexacone.inc hexabenz.inc		\
 		hexastar.inc				\