diff --git a/Makefile.common b/Makefile.common
index 6283995..f72e37c 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -18,8 +18,8 @@ SOURCES_C = $(CORE_DIR)/boards/*.c $(CORE_DIR)/input/*.c
 endif
 
 ifeq ($(HAVE_NTSC),1)
-CFLAGS += -DHAVE_NTSC_FILTER -I$(CORE_DIR)/ntsc
-SOURCES_C += $(CORE_DIR)/ntsc/nes_ntsc.c
+COREDEFINES += -DHAVE_NTSC_FILTER -I$(CORE_DIR)/ntsc
+SOURCES_C   += $(CORE_DIR)/ntsc/nes_ntsc.c
 endif
 
 ifeq ($(HAVE_GRIFFIN),1)
diff --git a/jni/Android.mk b/jni/Android.mk
index 3e21c49..6054d2d 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -2,6 +2,8 @@ LOCAL_PATH := $(call my-dir)
 
 CORE_DIR := $(LOCAL_PATH)/../src
 
+HAVE_NTSC := 1
+
 include $(LOCAL_PATH)/../Makefile.common
 
 COREFLAGS := $(COREDEFINES) -DPSS_STYLE=1 $(INCFLAGS)