diff --git a/addons/sourcemod/scripting/include/l4d2_penalty_bonus.inc b/addons/sourcemod/scripting/include/l4d2_penalty_bonus.inc
index 7e06214fa..9bdab43f6 100644
--- a/addons/sourcemod/scripting/include/l4d2_penalty_bonus.inc
+++ b/addons/sourcemod/scripting/include/l4d2_penalty_bonus.inc
@@ -1,8 +1,13 @@
 /*
-  Includes for Penalty bonus system (l4d2_penalty_bonus)
-  ------------------------------------------------------
+Includes for Penalty bonus system (l4d2_penalty_bonus)
+------------------------------------------------------
 */
 
+#if defined  _l4d2_penalty_bonus_included_
+#endinput
+#endif
+#define _l4d2_penalty_bonus_included_
+
 /**
  *  Called when a round is about to end. 
  *  The update value is passed by reference and increased by any plugin using this forward
@@ -12,25 +17,48 @@
  *  @param  int     update              (by reference) the value of the cumulative update PBonus needs to know
  *  @return int     the update value to add to the round's bonus
  */
-forward OnHoldOutBonusSet( &update );
+forward int PBONUS_RequestFinalUpdate( int &update );
 
 
 // Get the bonus for the current round
 //    returns int
-native PBONUS_GetRoundBonus();
+native int PBONUS_GetRoundBonus();
 
 // Resets the bonus for the current round to 0 (does not do a change-report!)
-native PBONUS_ResetRoundBonus();
+native void PBONUS_ResetRoundBonus();
 
 // Set the bonus for the current round
-native PBONUS_SetRoundBonus(bonus);
+native void PBONUS_SetRoundBonus(int bonus);
 
 // Adds points to the bonus for the current round
-native PBONUS_AddRoundBonus(bonus, bool:bNoReport=false);
+native void PBONUS_AddRoundBonus(int bonus, bool bNoReport=false);
 
 // Get the amount of defibs used in the current round
 //    returns int
-native PBONUS_GetDefibsUsed();
+native int PBONUS_GetDefibsUsed();
 
 // Set the (current) defib penalty
-native PBONUS_SetDefibPenalty(penalty);
+native void PBONUS_SetDefibPenalty(penalty);
+
+public SharedPlugin __pl_l4d2_penalty_bonus =
+{
+    name = "penaltybonus",
+    file = "l4d2_penalty_bonus.smx",
+#if defined REQUIRE_PLUGIN
+    required = 1,
+#else
+    required = 0,
+#endif
+};
+
+#if !defined REQUIRE_PLUGIN
+public void __pl_l4d2_penalty_bonus_SetNTVOptional()
+{
+    MarkNativeAsOptional("PBONUS_GetRoundBonus");
+    MarkNativeAsOptional("PBONUS_ResetRoundBonus");
+    MarkNativeAsOptional("PBONUS_SetRoundBonus");
+    MarkNativeAsOptional("PBONUS_AddRoundBonus");
+    MarkNativeAsOptional("PBONUS_GetDefibsUsed");
+    MarkNativeAsOptional("PBONUS_SetDefibPenalty");
+}
+#endif