diff --git a/dev-go/go-tools/go-tools-0_pre20180817.ebuild b/dev-go/go-tools/go-tools-0_pre20180817.ebuild
index 5191bd7e69ca1..a7bd294e62037 100644
--- a/dev-go/go-tools/go-tools-0_pre20180817.ebuild
+++ b/dev-go/go-tools/go-tools-0_pre20180817.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -47,6 +47,7 @@ src_prepare() {
 }
 
 src_compile() {
+	export -n GOCACHE XDG_CACHE_HOME #678964
 	# Generate static.go with favicon included
 	pushd src/golang.org/x/tools/godoc/static >/dev/null || die
 	GOPATH="${S}:$(get_golibdir_gopath)" \
diff --git a/dev-go/go-tools/go-tools-9999.ebuild b/dev-go/go-tools/go-tools-9999.ebuild
index fb8bd018f99dd..ffc68729ed0bc 100644
--- a/dev-go/go-tools/go-tools-9999.ebuild
+++ b/dev-go/go-tools/go-tools-9999.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -65,6 +65,7 @@ src_prepare() {
 }
 
 src_compile() {
+	export -n GOCACHE XDG_CACHE_HOME #678964
 	# Generate static.go with favicon included
 	pushd src/golang.org/x/tools/godoc/static >/dev/null || die
 	GOPATH="${S}" GOBIN="${S}/bin" \