diff --git a/jni/libopus/Android.mk b/jni/libopus/Android.mk
index 115d0e1..3c5221f 100644
--- a/jni/libopus/Android.mk
+++ b/jni/libopus/Android.mk
@@ -141,7 +141,11 @@
 						$(MY_OPUS)/src/opus_encoder.c \
 						$(MY_OPUS)/src/opus_compare.c \
 
-LOCAL_CFLAGS := -DNONTHREADSAFE_PSEUDOSTACK -DOPUS_BUILD
+LOCAL_CFLAGS := -DNONTHREADSAFE_PSEUDOSTACK -DOPUS_BUILD -D__OPTIMIZE__
+
+ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
+	LOCAL_CFLAGS += -DOPUS_ARM_INLINE_NEON
+endif
 
 LOCAL_C_INCLUDES := $(MY_OPUS) \
 					$(MY_OPUS)/include \