diff --git a/rules.mk b/rules.mk
index 7ec15defce..ae4249d571 100644
--- a/rules.mk
+++ b/rules.mk
@@ -423,7 +423,7 @@ $(shell \
     if [ -n "$$last_bump" ]; then \
       echo -n $$(($$(git rev-list --count "$$last_bump..HEAD" .) + 1)); \
     else \
-      echo -n $$(($$(git rev-list --count HEAD .) + 1)); \
+      git rev-list --count HEAD .; \
     fi; \
   else \
     secs="$$(($(SOURCE_DATE_EPOCH) % 86400))"; \