diff --git a/pppd/Android.mk b/pppd/Android.mk
index 64170cd..4686fea 100644
--- a/pppd/Android.mk
+++ b/pppd/Android.mk
@@ -32,7 +32,7 @@
 LOCAL_C_INCLUDES := \
 	$(LOCAL_PATH)/include
 
-LOCAL_CFLAGS := -DANDROID_CHANGES -DCHAPMS=1 -Iexternal/openssl/include
+LOCAL_CFLAGS := -DANDROID_CHANGES -DCHAPMS=1 -DMPPE=1 -Iexternal/openssl/include
 
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
 LOCAL_MODULE:= pppd