diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go
index 3d0ef284484..4cd854773f2 100644
--- a/src/cmd/dist/test.go
+++ b/src/cmd/dist/test.go
@@ -1343,6 +1343,11 @@ func (t *tester) raceDetectorSupported() bool {
 	if isAlpineLinux() {
 		return false
 	}
+	// NetBSD support is unfinished.
+	// golang.org/issue/26403
+	if goos == "netbsd" {
+		return false
+	}
 	return true
 }