diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 070745df4..e0ebaea92 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -1158,6 +1158,14 @@ AInventory *AActor::DropInventory (AInventory *item, int amt)
 	drop->Vel += Vel;
 	drop->flags &= ~MF_NOGRAVITY;	// Don't float
 	drop->ClearCounters();	// do not count for statistics again
+	{
+		// [MK] call OnDrop so item can change its drop behaviour
+		IFVIRTUALPTR(drop, AInventory, OnDrop)
+		{
+			VMValue params[] = { drop, this };
+			VMCall(func, params, 2, nullptr, 0);
+		}
+	}
 	return drop;
 }
 
diff --git a/wadsrc/static/zscript/inventory/inventory.txt b/wadsrc/static/zscript/inventory/inventory.txt
index 1bc3f42a6..d724c90d9 100644
--- a/wadsrc/static/zscript/inventory/inventory.txt
+++ b/wadsrc/static/zscript/inventory/inventory.txt
@@ -906,7 +906,17 @@ class Inventory : Actor native
 		return item;
 	}
 
-	
+
+	//===========================================================================
+	//
+	// AInventory :: OnDrop
+	//
+	// Called by AActor::DropInventory. Allows items to modify how they behave
+	// after being dropped.
+	//
+	//===========================================================================
+
+	virtual void OnDrop (Actor dropper) {}
 }
 
 //===========================================================================