diff --git a/Makefile b/Makefile
index 34685dea93c35..deb2a9d929ca3 100644
--- a/Makefile
+++ b/Makefile
@@ -166,11 +166,11 @@ fmt-check:
 
 .PHONY: test
 test:
-	GO111MODULE=on $(GO) test -mod=vendor -tags='sqlite sqlite_unlock_notify' $(PACKAGES)
+	LC_ALL=de_DE.UTF-8 GO111MODULE=on $(GO) test -mod=vendor -tags='sqlite sqlite_unlock_notify' $(PACKAGES)
 
 .PHONY: test\#%
 test\#%:
-	GO111MODULE=on $(GO) test -mod=vendor -tags='sqlite sqlite_unlock_notify' -run $* $(PACKAGES)
+	LC_ALL=de_DE.UTF-8 GO111MODULE=on $(GO) test -mod=vendor -tags='sqlite sqlite_unlock_notify' -run $* $(PACKAGES)
 
 .PHONY: coverage
 coverage: