diff --git a/public/include/pages/statistics/pool.inc.php b/public/include/pages/statistics/pool.inc.php
index b8872293..2c1ca533 100644
--- a/public/include/pages/statistics/pool.inc.php
+++ b/public/include/pages/statistics/pool.inc.php
@@ -11,7 +11,7 @@ if (!$smarty->isCached('master.tpl', $smarty_cache_key)) {
     if (is_array($dDifficulty) && array_key_exists('proof-of-work', $dDifficulty))
       $dDifficulty = $dDifficulty['proof-of-work'];
     $iBlock = $bitcoin->getblockcount();
-    $sBlockHash = $bitcoin->query('getblockhash', $iBlock);
+    is_int($iBlock) && $iBlock > 0 ? $sBlockHash = $bitcoin->query('getblockhash', $iBlock) : $sBlockHash = '';
   } else {
     $dDifficulty = 1;
     $iBlock = 0;