diff --git a/core/binary.mk b/core/binary.mk
index 57cda83..a3e0c06 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -302,8 +302,8 @@
 proto_generated_headers := $(patsubst %.pb.cc,%.pb.h, $(proto_generated_cc_sources))
 $(proto_generated_headers): $(proto_generated_cc_sources_dir)/%.pb.h: $(proto_generated_cc_sources_dir)/%.pb.cc
 
-$(proto_generated_cc_sources): PRIVATE_ARM_MODE := $(normal_objects_mode)
-$(proto_generated_cc_sources): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
+$(proto_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(proto_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(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)