diff --git a/Makefile b/Makefile
index 0c85a8e..9543d0d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
-COVERAGE_DIR=coverage
+COVERAGE_DIR := coverage
 BIN_DIR := ./bin
 MAIN := ./cmd/http/server/main.go
-
+APP_NAME := btc_pay_checker
 
 lint:
 	golangci-lint run ./...