diff --git a/core/binary.mk b/core/binary.mk
index f20a6a6..f1ffca1 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -282,7 +282,7 @@
 
 $(proto_generated_cc_sources): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(proto_generated_cc_sources): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
-$(proto_generated_objects): $(proto_generated_cc_sources_dir)/%.o: $(proto_generated_cc_sources_dir)/%.cc
+$(proto_generated_objects): $(proto_generated_cc_sources_dir)/%.o: $(proto_generated_cc_sources_dir)/%.cc $(proto_generated_headers)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 -include $(proto_generated_objects:%.o=%.P)