diff --git a/src/Makefile_Eo.am b/src/Makefile_Eo.am
index 230ff9e794..6675a46d12 100644
--- a/src/Makefile_Eo.am
+++ b/src/Makefile_Eo.am
@@ -12,6 +12,7 @@ lib/eo/eo_ptr_indirection.c \
 lib/eo/eo_ptr_indirection.h \
 lib/eo/eo_class_class.c \
 lib/eo/eo_base_class.c \
+lib/eo/eo2_base_class.c \
 lib/eo/eo_private.h
 
 lib_eo_libeo_la_CPPFLAGS = -I$(top_builddir)/src/lib/efl @EO_CFLAGS@