diff --git a/client.go b/client.go
index 9a2ef85d5a..f0ce67f3c0 100644
--- a/client.go
+++ b/client.go
@@ -1617,8 +1617,7 @@ func (c *HostClient) dialConnFor(w *wantConn) {
 	}
 
 	cc := acquireClientConn(conn)
-	delivered := w.tryDeliver(cc, nil)
-	if !delivered {
+	if !w.tryDeliver(cc, nil) {
 		// not delivered, return idle connection
 		c.releaseConn(cc)
 	}
diff --git a/fasthttpproxy/http.go b/fasthttpproxy/http.go
index 9dd5a255be..94d2b09c7e 100644
--- a/fasthttpproxy/http.go
+++ b/fasthttpproxy/http.go
@@ -51,7 +51,7 @@ func FasthttpHTTPDialerTimeout(proxy string, timeout time.Duration) fasthttp.Dia
 			return nil, err
 		}
 
-		req := fmt.Sprintf("CONNECT %s HTTP/1.1\r\nHost: %s\r\n", addr, addr)
+		req := "CONNECT " + addr + " HTTP/1.1\r\nHost: " + addr + "\r\n"
 		if auth != "" {
 			req += "Proxy-Authorization: Basic " + auth + "\r\n"
 		}