diff --git a/lib/ver/Makefile b/lib/ver/Makefile
index ee223ae59e..10e3774713 100644
--- a/lib/ver/Makefile
+++ b/lib/ver/Makefile
@@ -51,6 +51,9 @@ include $(CPP_SRC_HOME)/mk/staticlib.mk
 .PHONY: force
 
 CBuildInfo.cc: force
+	git update-index -q --refresh > /dev/null
+	git diff-index HEAD --
+	false
 	@sed "s/@build.year@/$(BUILD_YEAR)/" < CBuildInfo.cc.$(TEMPLATE) \
 		| sed "s/@warning.comment@/DO NOT EDIT THIS FILE - instead edit BOTH templates/" \
 		| sed "s/@user.name@/$(USER_NAME)/" \