diff --git a/src/ConnectionPool.php b/src/ConnectionPool.php
index 6182cf5..4eca026 100644
--- a/src/ConnectionPool.php
+++ b/src/ConnectionPool.php
@@ -261,9 +261,9 @@ protected function startBalanceTimer(float $interval)
 
     protected function createConnection()
     {
-        $this->connectionCount++;
         $connection = $this->connector->connect($this->connectionConfig);
         $this->lastActiveTime[$connection] = time();
+        $this->connectionCount++;
         return $connection;
     }