diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-10.0.1.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-10.0.1.ebuild
index 4039a75fe149d..b9be9bf67b856 100644
--- a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-10.0.1.ebuild
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-10.0.1.ebuild
@@ -56,6 +56,12 @@ pkg_setup() {
 	python-any-r1_pkg_setup
 }
 
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	llvm.org_src_prepare
+}
+
 src_configure() {
 	# pre-set since we need to pass it to cmake
 	BUILD_DIR=${WORKDIR}/compiler-rt_build
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0.9999.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0.9999.ebuild
index 006db04567ad6..cecd595ac6c1b 100644
--- a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0.9999.ebuild
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0.9999.ebuild
@@ -56,6 +56,12 @@ pkg_setup() {
 	python-any-r1_pkg_setup
 }
 
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	llvm.org_src_prepare
+}
+
 src_configure() {
 	# pre-set since we need to pass it to cmake
 	BUILD_DIR=${WORKDIR}/compiler-rt_build
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0_rc1.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0_rc1.ebuild
index 006db04567ad6..cecd595ac6c1b 100644
--- a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0_rc1.ebuild
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-11.0.0_rc1.ebuild
@@ -56,6 +56,12 @@ pkg_setup() {
 	python-any-r1_pkg_setup
 }
 
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	llvm.org_src_prepare
+}
+
 src_configure() {
 	# pre-set since we need to pass it to cmake
 	BUILD_DIR=${WORKDIR}/compiler-rt_build
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-12.0.0.9999.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-12.0.0.9999.ebuild
index 006db04567ad6..cecd595ac6c1b 100644
--- a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-12.0.0.9999.ebuild
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-12.0.0.9999.ebuild
@@ -56,6 +56,12 @@ pkg_setup() {
 	python-any-r1_pkg_setup
 }
 
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	llvm.org_src_prepare
+}
+
 src_configure() {
 	# pre-set since we need to pass it to cmake
 	BUILD_DIR=${WORKDIR}/compiler-rt_build