diff --git a/mobile/src/main/jni/Android.mk b/mobile/src/main/jni/Android.mk
index 548fe90f..2008c83f 100755
--- a/mobile/src/main/jni/Android.mk
+++ b/mobile/src/main/jni/Android.mk
@@ -339,7 +339,7 @@ include $(CLEAR_VARS)
 
 LOCAL_CFLAGS := -std=gnu99
 LOCAL_CFLAGS += -DBADVPN_THREADWORK_USE_PTHREAD -DBADVPN_LINUX -DBADVPN_BREACTOR_BADVPN -D_GNU_SOURCE
-LOCAL_CFLAGS += -DBADVPN_USE_SELFPIPE -DBADVPN_USE_EPOLL
+LOCAL_CFLAGS += -DBADVPN_USE_SIGNALFD -DBADVPN_USE_EPOLL
 LOCAL_CFLAGS += -DBADVPN_LITTLE_ENDIAN -DBADVPN_THREAD_SAFE
 LOCAL_CFLAGS += -DNDEBUG -DANDROID
 # LOCAL_CFLAGS += -DTUN2SOCKS_JNI