diff --git a/lib/Makefile.am b/lib/Makefile.am
index 367621b..9dbc1c1 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -23,6 +23,10 @@
 SUBDIRS += cpp
 endif
 
+if WITH_C_GLIB
+SUBDIRS += c_glib
+endif
+
 if WITH_MONO
 SUBDIRS += csharp
 endif