diff --git a/debian/rules.real b/debian/rules.real
index 09796b469..0d04011f8 100644
--- a/debian/rules.real
+++ b/debian/rules.real
@@ -480,7 +480,7 @@ install-source: $(BUILD_DIR)/$(SOURCE_PACKAGE_NAME)-source-$(UPSTREAMVERSION).ta
 	+$(MAKE_SELF) install-base BUILDDEB_ARGS='-Zgzip -z1'
 
 define make-tools
-+mkdir -p $(BUILD_DIR)/build-tools/$(1) && $(MAKE_CLEAN) -C $(BUILD_DIR)/build-tools/$(1) -f $(CURDIR)/debian/rules.d/$(1)/Makefile top_srcdir=$(CURDIR) top_rulesdir=$(CURDIR)/debian/rules.d OUTDIR=$(1)
++mkdir -p $(BUILD_DIR)/build-tools/$(1) && $(MAKE_CLEAN) -C $(BUILD_DIR)/build-tools/$(1) -f $(CURDIR)/debian/rules.d/$(1)/Makefile top_srcdir=$(CURDIR) top_rulesdir=$(CURDIR)/debian/rules.d OUTDIR=$(1) VERSION=$(UPSTREAMVERSION)
 endef
 
 $(STAMPS_DIR)/build-tools: