diff --git a/src/hal/utils/Submakefile b/src/hal/utils/Submakefile
index 51f54e9040b..ff82f8de057 100644
--- a/src/hal/utils/Submakefile
+++ b/src/hal/utils/Submakefile
@@ -99,4 +99,4 @@ endif
 TARGETS += ../bin/halcompile ../bin/elbpcom
 objects/%.py: %.g
 	@mkdir -p $(dir $@)
-	$(Q)yapps $< $@
+	$(Q)$(YAPPS) $< $@