diff --git a/src/Makefile_Evas.am b/src/Makefile_Evas.am
index 2c3ca22c1a..9c136a3327 100644
--- a/src/Makefile_Evas.am
+++ b/src/Makefile_Evas.am
@@ -993,6 +993,7 @@ if BUILD_ENGINE_DRM
 dist_installed_evasmainheaders_DATA += modules/evas/engines/drm/Evas_Engine_Drm.h
 DRM_SOURCES = \
 modules/evas/engines/drm/evas_drm.c \
+modules/evas/engines/drm/evas_bufmgr.c \
 modules/evas/engines/drm/evas_outbuf.c \
 modules/evas/engines/drm/evas_engine.c \
 modules/evas/engines/drm/evas_engine.h \