diff --git a/extensions/cstrike/extension.cpp b/extensions/cstrike/extension.cpp
index c51858a8..87ed1624 100644
--- a/extensions/cstrike/extension.cpp
+++ b/extensions/cstrike/extension.cpp
@@ -100,7 +100,7 @@ bool CStrike::SDK_OnLoad(char *error, size_t maxlength, bool late)
 	g_pHandleBuyForward = forwards->CreateForward("CS_OnBuyCommand", ET_Event, 2, NULL, Param_Cell, Param_String);
 	g_pPriceForward = forwards->CreateForward("CS_OnGetWeaponPrice", ET_Event, 3, NULL, Param_Cell, Param_String, Param_CellByRef);
 	g_pTerminateRoundForward = forwards->CreateForward("CS_OnTerminateRound", ET_Event, 2, NULL, Param_FloatByRef, Param_CellByRef);
-	g_pCSWeaponDropForward = forwards->CreateForward("CS_OnCSWeaponDrop", ET_Event, 2, NULL, Param_Cell, Param_Cell);
+	g_pCSWeaponDropForward = forwards->CreateForward("CS_OnCSWeaponDrop", ET_Event, 3, NULL, Param_Cell, Param_Cell, Param_Cell);
 
 
 	m_TerminateRoundDetourEnabled = false;
diff --git a/extensions/cstrike/forwards.cpp b/extensions/cstrike/forwards.cpp
index 4b67a052..ef1d4f6c 100644
--- a/extensions/cstrike/forwards.cpp
+++ b/extensions/cstrike/forwards.cpp
@@ -216,12 +216,20 @@ DETOUR_DECL_MEMBER3(DetourTerminateRound, void, int, reason, int, unknown, int,
 #endif
 }
 
+#if SOURCE_ENGINE == SE_CSGO
+DETOUR_DECL_MEMBER3(DetourCSWeaponDrop, void, CBaseEntity *, weapon, bool, bThrowForward, bool, bDonated)
+#else
 DETOUR_DECL_MEMBER2(DetourCSWeaponDrop, void, CBaseEntity *, weapon, bool, bThrowForward)
+#endif
 {
 	if (g_pIgnoreCSWeaponDropDetour)
 	{
 		g_pIgnoreCSWeaponDropDetour = false;
+#if SOURCE_ENGINE == SE_CSGO
+		DETOUR_MEMBER_CALL(DetourCSWeaponDrop)(weapon, bThrowForward, bDonated);
+#else
 		DETOUR_MEMBER_CALL(DetourCSWeaponDrop)(weapon, bThrowForward);
+#endif
 		return;
 	}
 
@@ -231,12 +239,21 @@ DETOUR_DECL_MEMBER2(DetourCSWeaponDrop, void, CBaseEntity *, weapon, bool, bThro
 	cell_t result = Pl_Continue;
 	g_pCSWeaponDropForward->PushCell(client);
 	g_pCSWeaponDropForward->PushCell(weaponIndex);
+#if SOURCE_ENGINE == SE_CSGO
+	g_pCSWeaponDropForward->PushCell(bDonated);
+#else
+	g_pCSWeaponDropForward->PushCell(false);
+#endif
 	g_pCSWeaponDropForward->Execute(&result);
 
 
 	if (result == Pl_Continue)
 	{
+#if SOURCE_ENGINE == SE_CSGO
+		DETOUR_MEMBER_CALL(DetourCSWeaponDrop)(weapon, bThrowForward, bDonated);
+#else
 		DETOUR_MEMBER_CALL(DetourCSWeaponDrop)(weapon, bThrowForward);
+#endif
 	}
 
 	return;
diff --git a/plugins/include/cstrike.inc b/plugins/include/cstrike.inc
index 2e073f78..e8b34b41 100644
--- a/plugins/include/cstrike.inc
+++ b/plugins/include/cstrike.inc
@@ -196,8 +196,10 @@ forward Action CS_OnBuyCommand(int client, const char[] weapon);
  *
  * @param client        Client index
  * @param weaponIndex   Weapon index
+ * @param donated       Was weapon donated (Bought from a buy menu while ctrl was pressed)
+ *                      (Note: This param is for CS:GO only, will be false on other games)
  */
-forward Action CS_OnCSWeaponDrop(int client, int weaponIndex);
+forward Action CS_OnCSWeaponDrop(int client, int weaponIndex, bool donated);
 
 /**
  * Called when game retrieves a weapon's price for a player.