diff --git a/Sample Models/Biology/Wolf Sheep Predation.nlogo b/Sample Models/Biology/Wolf Sheep Predation.nlogo
index d945fe5d1..71db1ab6f 100644
--- a/Sample Models/Biology/Wolf Sheep Predation.nlogo	
+++ b/Sample Models/Biology/Wolf Sheep Predation.nlogo	
@@ -409,7 +409,7 @@ CHOOSER
 model-version
 model-version
 "sheep-wolves" "sheep-wolves-grass"
-1
+0
 
 @#$#@#$#@
 ## WHAT IS IT?