diff --git a/lib/Makefile.am b/lib/Makefile.am
index 1045237..448dabd 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,19 +1,19 @@
 SUBDIRS = \
   cpp
 
-if ENABLE_MONO
+if WITH_MONO
 SUBDIRS += csharp
 endif
 
-if ENABLE_JAVA
+if WITH_JAVA
 SUBDIRS += java
 endif
 
-if ENABLE_PYTHON
+if WITH_PYTHON
 SUBDIRS += py
 endif
 
-if ENABLE_ERLANG
+if WITH_ERLANG
 SUBDIRS += erl
 endif