diff --git a/extensions/tf2/natives.cpp b/extensions/tf2/natives.cpp
index 0f2a7133..75835f8d 100644
--- a/extensions/tf2/natives.cpp
+++ b/extensions/tf2/natives.cpp
@@ -34,6 +34,8 @@
 #include "time.h"
 #include "RegNatives.h"
 
+#include <ISDKTools.h>
+
 // native TF2_MakeBleed(client, attacker, Float:duration)
 cell_t TF2_MakeBleed(IPluginContext *pContext, const cell_t *params)
 {
@@ -553,25 +555,41 @@ cell_t TF2_IsPlayerInDuel(IPluginContext *pContext, const cell_t *params)
 // native bool:TF2_IsHolidayActive(TFHoliday:holiday);
 cell_t TF2_IsHolidayActive(IPluginContext *pContext, const cell_t *params)
 {
-	static ICallWrapper *pWrapper = NULL;
-
-	// UTIL_IsHolidayActive(int)
-	if (!pWrapper)
+	void *pGameRules;
+	if (!g_pSDKTools || !(pGameRules = g_pSDKTools->GetGameRules()))
 	{
-		REGISTER_NATIVE_ADDR("IsHolidayActive", 
-			PassInfo pass[1]; \
-			pass[0].flags = PASSFLAG_BYVAL; \
-			pass[0].size = sizeof(int); \
-			pass[0].type = PassType_Basic; \
-			PassInfo ret; \
-			ret.flags = PASSFLAG_BYVAL; \
-			ret.size = sizeof(bool); \
-			ret.type = PassType_Basic; \
-			pWrapper = g_pBinTools->CreateCall(addr, CallConv_Cdecl, &ret, pass, 1))
+		return pContext->ThrowNativeError("Failed to find GameRules");
 	}
 
-	unsigned char vstk[sizeof(int)];
+	static ICallWrapper *pWrapper = NULL;
+
+	// CTFGameRules::IsHolidayActive(int)
+	if (!pWrapper)
+	{
+		int offset;
+		if (!g_pGameConf->GetOffset("IsHolidayActive", &offset))
+		{
+			return pContext->ThrowNativeError("Failed to locate function");
+		}
+
+		PassInfo pass[1];
+		pass[0].flags = PASSFLAG_BYVAL;
+		pass[0].size = sizeof(int);
+		pass[0].type = PassType_Basic;
+		PassInfo ret;
+		ret.flags = PASSFLAG_BYVAL;
+		ret.size = sizeof(bool);
+		ret.type = PassType_Basic;
+
+		pWrapper = g_pBinTools->CreateVCall(offset, 0, 0, &ret, pass, 1);
+
+		g_RegNatives.Register(pWrapper);
+	}
+
+	unsigned char vstk[sizeof(void *) + sizeof(int)];
 	unsigned char *vptr = vstk;
+	*(void **)vptr = pGameRules;
+	vptr += sizeof(void *);
 	*(int *)vptr = params[1];
 	
 	bool retValue;