diff --git a/luci.mk b/luci.mk
index 43bd730f08..76646a3e39 100644
--- a/luci.mk
+++ b/luci.mk
@@ -126,7 +126,7 @@ PKG_GITBRANCH?=$(if $(DUMP),x,$(strip $(shell \
 	variant="LuCI"; \
 	if git log -1 >/dev/null 2>/dev/null; then \
 		branch=$$(git branch --format='%(refname:strip=3)' --remote --no-abbrev --contains 2>/dev/null | tail -n1); \
-		branch=$${branch:-$$(git branch --format='%(refname:strip=2)' --no-abbrev --contains 2>/dev/null | tail -n1)}; \
+		branch=$${branch:-$$(git -c core.abbrev=7 branch --format='%(refname:strip=2)' --contains 2>/dev/null | tail -n1)}; \
 		if [ "$$branch" != "master" ]; then \
 			variant="LuCI $${branch:-unknown} branch"; \
 		else \