diff --git a/java_gen/templates/of_factories.java b/java_gen/templates/of_factories.java
index cce134d..9225510 100644
--- a/java_gen/templates/of_factories.java
+++ b/java_gen/templates/of_factories.java
@@ -40,7 +40,7 @@
         switch(version) {
             //:: for v in versions:
             case ${v.constant_version}:
-                return org.openflow.protocol.ver${v.of_version}.OFFactoryVer${v.of_version}.getInstance();
+                return org.openflow.protocol.ver${v.of_version}.OFFactoryVer${v.of_version}.INSTANCE;
             //:: #endfor
             default:
                 throw new IllegalArgumentException("Unknown version: "+version);