diff --git a/[core]/es_extended/server/functions.lua b/[core]/es_extended/server/functions.lua
index 606ab0e7..6f4453c9 100644
--- a/[core]/es_extended/server/functions.lua
+++ b/[core]/es_extended/server/functions.lua
@@ -610,6 +610,6 @@ function Core.IsPlayerAdmin(playerId)
         return true
     end
 
-    local xPlayer = ESX.Players[playerId]
-    return (xPlayer and Config.AdminGroups[xPlayer.group] and true) or false
+    local xPlayer = ESX.Players[tonumber(playerId)]
+    return xPlayer and Config.AdminGroups[xPlayer.group] or false
 end