diff --git a/dashboard/builders.go b/dashboard/builders.go
index 8016036774..3050c179aa 100644
--- a/dashboard/builders.go
+++ b/dashboard/builders.go
@@ -1914,9 +1914,11 @@ func init() {
 		Name:              "darwin-386-10_14",
 		HostType:          "host-darwin-10_14",
 		shouldRunDistTest: macTestPolicy,
-		buildsRepo:        onlyGo,
-		MaxAtOnce:         1,
-		env:               []string{"GOARCH=386", "GOHOSTARCH=386"},
+		buildsRepo: func(repo, branch, goBranch string) bool {
+			return repo == "go" && atLeastGo1(branch, 13)
+		},
+		MaxAtOnce: 1,
+		env:       []string{"GOARCH=386", "GOHOSTARCH=386"},
 	})
 	addBuilder(BuildConfig{
 		Name:              "darwin-amd64-10_12",
diff --git a/dashboard/builders_test.go b/dashboard/builders_test.go
index 5f42f9287c..e525b6947d 100644
--- a/dashboard/builders_test.go
+++ b/dashboard/builders_test.go
@@ -467,8 +467,8 @@ func TestBuilderConfig(t *testing.T) {
 		{b("darwin-amd64-10_10@go1.12", "go"), onlyPost},
 		{b("darwin-amd64-10_10@go1.11", "go"), onlyPost},
 		{b("darwin-386-10_14", "go"), onlyPost},
-		{b("darwin-386-10_14@go1.12", "go"), onlyPost},
-		{b("darwin-386-10_14@go1.11", "go"), onlyPost},
+		{b("darwin-386-10_14@go1.12", "go"), none},
+		{b("darwin-386-10_14@go1.13", "go"), onlyPost},
 
 		// plan9 only lived at master. We didn't support any past releases.
 		// But it's off for now as it's always failing.