diff --git a/PlayerManager/scripting/PlayerManager_Connect.sp b/PlayerManager/scripting/PlayerManager_Connect.sp
index 07aaadc6..98493136 100644
--- a/PlayerManager/scripting/PlayerManager_Connect.sp
+++ b/PlayerManager/scripting/PlayerManager_Connect.sp
@@ -260,7 +260,11 @@ public EConnect OnClientPreConnectEx(const char[] sName, char sPassword[255], co
 //----------------------------------------------------------------------------------------------------
 public void OnClientPutInServer(int client)
 {
-    CreateTimer(g_hCvar_AuthenticationTime.FloatValue, CheckAuth, GetClientSerial(client), TIMER_FLAG_NO_MAPCHANGE);
+	float fAuthenticationTime = g_hCvar_AuthenticationTime.FloatValue;
+	if (fAuthenticationTime == -1.0)
+		return;
+
+	CreateTimer(fAuthenticationTime, CheckAuth, GetClientSerial(client), TIMER_FLAG_NO_MAPCHANGE);
 }
 
 //----------------------------------------------------------------------------------------------------