diff --git a/Makefile b/Makefile
index f4570d5..d4faff4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 
 GO=go
 GOLDFLAGS=-v -s -w -X main.VersionString=$(PROGRAM_VERSION)
-GOBUILDFLAGS=-v -p $(shell nproc) -ldflags="$(GOLDFLAGS)"
+GOBUILDFLAGS+=-v -p $(shell nproc) -ldflags="$(GOLDFLAGS)"
 PROGRAM=thalos-server
 PROGRAM_VERSION ?= 1.1.5
 PREFIX=/usr/local