diff --git a/BaseTools/Conf/build_rule.template b/BaseTools/Conf/build_rule.template
index c54c55cafc..40f9c142b8 100644
--- a/BaseTools/Conf/build_rule.template
+++ b/BaseTools/Conf/build_rule.template
@@ -179,7 +179,7 @@
         $(DEBUG_DIR)(+)${s_dir}(+)${s_base}.c
 
     <Command>
-        "$(PP)" $(VFRPP_FLAGS) $(INC) ${src} > $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.i
+        "$(VFRPP)" $(VFRPP_FLAGS) $(INC) ${src} > $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.i
         Trim --vfr-file -o $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.iii $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.i
         -mkdir ${d_path} > NUL 2>&1
         "$(VFR)" $(VFR_FLAGS) --output-directory ${d_path} $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.iii