diff --git a/MD_STD_SEC.php b/MD_STD_SEC.php
index f141889..7665020 100644
--- a/MD_STD_SEC.php
+++ b/MD_STD_SEC.php
@@ -45,7 +45,7 @@ final class MD_STD_SEC {
     }
 
     const BRUTE_FORCE_DELAY_DEFAULT = 2000; // 2000 microseconds = 2 milliseconds
-    const BRUTE_FORCE_DELAY_MULTIPLIER_COMMON   = 1.2;
+    const BRUTE_FORCE_DELAY_MULTIPLIER_COMMON   = 1.08;
     const BRUTE_FORCE_DELAY_MULTIPLIER_PER_USER = 3;
     const BRUTE_FORCE_DELAY_MULTIPLIER_PER_IP = 8;