diff --git a/mk/golang.mk b/mk/golang.mk
index c2886e1022d..96a92b25c03 100644
--- a/mk/golang.mk
+++ b/mk/golang.mk
@@ -5,6 +5,7 @@ GO_MIN_VERSION = 1.11
 # pre-definitions
 GOCC ?= go
 GOTAGS ?=
+unexport GOFLAGS
 GOFLAGS ?=
 GOTFLAGS ?=