diff --git a/Makefile b/Makefile
index a0a4cea..58e8535 100644
--- a/Makefile
+++ b/Makefile
@@ -191,7 +191,7 @@ DRIVER_OBJS:=$(patsubst src/%.cc,$(BUILD)/%.o,$(DRIVER_OBJS))
 all: $(BUILD)/wmbusmeters $(BUILD)/wmbusmetersd $(BUILD)/wmbusmeters.g $(BUILD)/wmbusmeters-admin $(BUILD)/testinternals
 
 deb:
-	@if [ "$(RELEASE)" = "" ] ; then echo "Usage: make deb TAG=1.9.0" ; exit 1 ; fi
+	@if [ "$(RELEASE)" = "" ] ; then echo "Usage: make deb RELEASE=1.10.1" ; exit 1 ; fi
 	@rm -rf packaging
 	@mkdir -p packaging
 	@echo "Checking out tag $(RELEASE)..."