diff --git a/MD_STD_SEC.php b/MD_STD_SEC.php
index 7665020..383908f 100644
--- a/MD_STD_SEC.php
+++ b/MD_STD_SEC.php
@@ -102,7 +102,7 @@ final class MD_STD_SEC {
         // Translate counters into delay multipliers
         $delay_multiplier_common = $loginLog['common']['count'];
         $delay_multiplier_per_user = $loginLog['usr'][$hash_user]['count'];
-        $delay_multiplier_per_ip = $loginLog['usr'][$hash_ip]['count'];
+        $delay_multiplier_per_ip = $loginLog['ip'][$hash_ip]['count'];
 
         // Calculate delay
         $delay_micoseconds = \intval(self::BRUTE_FORCE_DELAY_DEFAULT *