diff --git a/test/erl/Makefile b/test/erl/Makefile
index 037e6ff..992d78c 100644
--- a/test/erl/Makefile
+++ b/test/erl/Makefile
@@ -10,7 +10,7 @@
 ALL_INCLUDEDIR=$(GEN_INCLUDEDIR) $(INCLUDEDIR) ../../lib/erl/include
 INCLUDEFLAGS=$(patsubst %,-I%, ${ALL_INCLUDEDIR})
 
-MODULES = stress_server test_server test_disklog
+MODULES = stress_server test_server test_disklog test_membuffer
 
 INCLUDES = 
 TARGETS = $(patsubst %,${TARGETDIR}/%.beam,${MODULES})