diff --git a/camera/Android.mk b/camera/Android.mk
index e633450..eef0b5d 100644
--- a/camera/Android.mk
+++ b/camera/Android.mk
@@ -35,6 +35,10 @@
 LOCAL_C_INCLUDES += \
 	system/media/camera/include \
 
+ifeq ($(BOARD_CAMERA_HAVE_ISO),true)
+	LOCAL_CFLAGS += -DHAVE_ISO
+endif
+
 LOCAL_MODULE:= libcamera_client
 
 include $(BUILD_SHARED_LIBRARY)