diff --git a/jni/Android.mk b/jni/Android.mk
index dc86e69..27e43ac 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -5,8 +5,9 @@ CORE_DIR     := $(LOCAL_PATH)/..
 CORE_LDLIBS  :=
 CPU_ARCH     :=
 HAVE_DYNAREC :=
+USE_LIBCO    := 1
 
-COREFLAGS := -DINLINE=inline -D__LIBRETRO__ -DFRONTEND_SUPPORTS_RGB565
+COREFLAGS := -DINLINE=inline -D__LIBRETRO__ -DFRONTEND_SUPPORTS_RGB565 -DUSE_LIBCO
 
 ifeq ($(TARGET_ARCH),arm)
    COREFLAGS += -DARM_ARCH -DARM_MEMORY_DYNAREC