diff --git a/src/net/http/client_test.go b/src/net/http/client_test.go
index 5e5bf8f2bb..44b532ae1f 100644
--- a/src/net/http/client_test.go
+++ b/src/net/http/client_test.go
@@ -1272,6 +1272,9 @@ func testClientTimeout(t *testing.T, h2 bool) {
 				t.Logf("timeout before response received")
 				continue
 			}
+			if runtime.GOOS == "windows" && strings.HasPrefix(runtime.GOARCH, "arm") {
+				testenv.SkipFlaky(t, 43120)
+			}
 			t.Fatal(err)
 		}