diff --git a/src/pkg/net/timeout_test.go b/src/pkg/net/timeout_test.go
index 7ea81fe34b..350ec8f7b1 100644
--- a/src/pkg/net/timeout_test.go
+++ b/src/pkg/net/timeout_test.go
@@ -496,7 +496,10 @@ func testVariousDeadlines(t *testing.T, maxProcs int) {
 				clientc <- copyRes{n, err, d}
 			}()
 
-			const tooLong = 2000 * time.Millisecond
+			tooLong := 2 * time.Second
+			if runtime.GOOS == "windows" {
+				tooLong = 5 * time.Second
+			}
 			select {
 			case res := <-clientc:
 				if isTimeout(res.err) {