diff --git a/caddytest/integration/stream_test.go b/caddytest/integration/stream_test.go
index d5edb793..cfd9d361 100644
--- a/caddytest/integration/stream_test.go
+++ b/caddytest/integration/stream_test.go
@@ -123,8 +123,8 @@ func TestH2ToH2CStream(t *testing.T) {
 	// Disable any compression method from server.
 	req.Header.Set("Accept-Encoding", "identity")
 
-	resp := tester.AssertResponseCode(req, 200)
-	if 200 != resp.StatusCode {
+	resp := tester.AssertResponseCode(req, http.StatusOK)
+	if resp.StatusCode != http.StatusOK {
 		return
 	}
 	go func() {
@@ -143,7 +143,6 @@ func TestH2ToH2CStream(t *testing.T) {
 	if !strings.Contains(body, expectedBody) {
 		t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", req.RequestURI, expectedBody, body)
 	}
-	return
 }
 
 func testH2ToH2CStreamServeH2C(t *testing.T) *http.Server {
@@ -335,8 +334,8 @@ func TestH2ToH1ChunkedResponse(t *testing.T) {
 		fmt.Fprint(w, expectedBody)
 		w.Close()
 	}()
-	resp := tester.AssertResponseCode(req, 200)
-	if 200 != resp.StatusCode {
+	resp := tester.AssertResponseCode(req, http.StatusOK)
+	if resp.StatusCode != http.StatusOK {
 		return
 	}
 
@@ -351,7 +350,6 @@ func TestH2ToH1ChunkedResponse(t *testing.T) {
 	if body != expectedBody {
 		t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", req.RequestURI, expectedBody, body)
 	}
-	return
 }
 
 func testH2ToH1ChunkedResponseServeH1(t *testing.T) *http.Server {
diff --git a/modules/caddyhttp/reverseproxy/reverseproxy.go b/modules/caddyhttp/reverseproxy/reverseproxy.go
index 99436513..b806ddac 100644
--- a/modules/caddyhttp/reverseproxy/reverseproxy.go
+++ b/modules/caddyhttp/reverseproxy/reverseproxy.go
@@ -46,7 +46,9 @@ import (
 var supports1xx bool
 
 func init() {
-	supports1xx = !regexp.MustCompile(`^go1\.1(?:7|8)\.`).Match([]byte(runtime.Version()))
+	// Caddy requires at least Go 1.18, but Early Hints requires Go 1.19; thus we can simply check for 1.18 in version string
+	// TODO: remove this once our minimum Go version is 1.19
+	supports1xx = !strings.Contains(runtime.Version(), "go1.18")
 
 	caddy.RegisterModule(Handler{})
 }