diff --git a/cmds/servicemanager/Android.mk b/cmds/servicemanager/Android.mk
index 12149f621..4ab8df68f 100644
--- a/cmds/servicemanager/Android.mk
+++ b/cmds/servicemanager/Android.mk
@@ -4,8 +4,10 @@ svc_c_flags =	\
 	-Wall -Wextra \
 
 ifneq ($(TARGET_USES_64_BIT_BINDER),true)
+ifneq ($(TARGET_IS_64_BIT),true)
 svc_c_flags += -DBINDER_IPC_32BIT=1
 endif
+endif
 
 include $(CLEAR_VARS)
 LOCAL_SHARED_LIBRARIES := liblog
diff --git a/libs/binder/Android.mk b/libs/binder/Android.mk
index 4ce5f97ad..d8ae0aa3f 100644
--- a/libs/binder/Android.mk
+++ b/libs/binder/Android.mk
@@ -44,8 +44,10 @@ LOCAL_MODULE := libbinder
 LOCAL_SHARED_LIBRARIES := liblog libcutils libutils
 LOCAL_SRC_FILES := $(sources)
 ifneq ($(TARGET_USES_64_BIT_BINDER),true)
+ifneq ($(TARGET_IS_64_BIT),true)
 LOCAL_CFLAGS += -DBINDER_IPC_32BIT=1
 endif
+endif
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
@@ -54,6 +56,8 @@ LOCAL_MODULE := libbinder
 LOCAL_STATIC_LIBRARIES += libutils
 LOCAL_SRC_FILES := $(sources)
 ifneq ($(TARGET_USES_64_BIT_BINDER),true)
+ifneq ($(TARGET_IS_64_BIT),true)
 LOCAL_CFLAGS += -DBINDER_IPC_32BIT=1
 endif
+endif
 include $(BUILD_STATIC_LIBRARY)