diff --git a/extensions/cstrike/forwards.cpp b/extensions/cstrike/forwards.cpp
index 19533608..3404ba16 100644
--- a/extensions/cstrike/forwards.cpp
+++ b/extensions/cstrike/forwards.cpp
@@ -21,7 +21,11 @@ CDetour *DCSWeaponDrop = NULL;
 
 int weaponNameOffset = -1;
 
+#if SOURCE_ENGINE == SE_CSGO
+DETOUR_DECL_MEMBER2(DetourHandleBuy, int, const char *, weapon, bool, bRebuy)
+#else
 DETOUR_DECL_MEMBER1(DetourHandleBuy, int, const char *, weapon)
+#endif
 {
 	int client = gamehelpers->EntityToBCompatRef(reinterpret_cast<CBaseEntity *>(this));
 
@@ -45,9 +49,12 @@ DETOUR_DECL_MEMBER1(DetourHandleBuy, int, const char *, weapon)
 	{
 		defaultprice = CallPriceForwardCSGO(client, weapon);
 	}
+
+	int val = DETOUR_MEMBER_CALL(DetourHandleBuy)(weapon, bRebuy);
+#else
+	int val = DETOUR_MEMBER_CALL(DetourHandleBuy)(weapon);
 #endif
 
-	int val = DETOUR_MEMBER_CALL(DetourHandleBuy)(weapon);
 
 #if SOURCE_ENGINE == SE_CSGO
 	if (defaultprice != -1)