diff --git a/camera/Android.mk b/camera/Android.mk
index 7286f92..cad2a53 100644
--- a/camera/Android.mk
+++ b/camera/Android.mk
@@ -18,6 +18,10 @@
 	libui \
 	libgui
 
+ifeq ($(BOARD_CAMERA_HAVE_ISO),true)
+	LOCAL_CFLAGS += -DHAVE_ISO
+endif
+
 LOCAL_MODULE:= libcamera_client
 
 include $(BUILD_SHARED_LIBRARY)