diff --git a/Android.mk b/Android.mk
index 5d4c5c1..d92809a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -489,6 +489,8 @@
 
 include $(BUILD_DROIDDOC)
 
+# explicitly specify that online-sdk depends on framework-res.
+$(full_target): framework-res-package-target
 
 # ==== docs that have all of the stuff that's @hidden =======================
 include $(CLEAR_VARS)