diff --git a/Makefile b/Makefile
index 77809f1..3326f1d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ ifeq ($(origin NETLOGO), undefined)
 endif
 
 ifeq ($(origin SCALA_HOME), undefined)
-  SCALA_HOME=/usr/local/scala-2.9.1
+  SCALA_HOME=/usr/local/scala-2.9.1.final
 endif
 
 SRCS=$(wildcard src/*.scala)