diff --git a/inc/spbc-admin.php b/inc/spbc-admin.php
index 208a825d0..631ca713e 100644
--- a/inc/spbc-admin.php
+++ b/inc/spbc-admin.php
@@ -136,7 +136,7 @@ function spbc_admin_init()
 
     // Getting key for daughter blogs once
     if (!$spbc->is_mainsite && $spbc->ms__work_mode == 1 && $spbc->ms__hoster_api_key && $spbc->data['ms__key_tries'] < 3) {
-        $spbc->data['ms__key_tries'] ++;
+        $spbc->data['ms__key_tries']++;
         $spbc->save('data');
         spbc_set_api_key();
     }