diff --git a/lib/http.c b/lib/http.c
index 5e2a8c260f..5e36decdd4 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -2704,6 +2704,8 @@ CURLcode Curl_http(struct Curl_easy *data, bool *done)
       if(result)
         goto fail;
       info_version = "HTTP/2";
+      /* There is no ALPN here, but the connection is now definitely h2 */
+      conn->httpversion_seen = 20;
     }
     else
       info_version = "HTTP/1.x";