1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index c6d5685b..c85c695a 100644
--- a/Makefile
+++ b/Makefile
@@ -577,7 +577,7 @@ $(STATIC_NAME): $(OBJS) | $(LIB_BUILD_DIR)
 	@ echo AR -o $@
 	$(Q)ar rcs $@ $(OBJS)
 
-$(BUILD_DIR)/%.o: %.cpp | $(ALL_BUILD_DIRS)
+$(BUILD_DIR)/%.o: %.cpp $(PROTO_GEN_HEADER) | $(ALL_BUILD_DIRS)
 	@ echo CXX $<
 	$(Q)$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.$(WARNS_EXT) \
 		|| (cat $@.$(WARNS_EXT); exit 1)