diff --git a/gui/builtinAdditionPanes/droneView.py b/gui/builtinAdditionPanes/droneView.py
index d5afa33e3..efd4b62a3 100644
--- a/gui/builtinAdditionPanes/droneView.py
+++ b/gui/builtinAdditionPanes/droneView.py
@@ -245,7 +245,7 @@ class DroneView(Display):
             event.Skip()
             return
 
-        amount = droneStackLimit(fit, event.itemID) if event.GetModifiers() == wx.MOD_ALT else 1
+        amount = droneStackLimit(fit, event.itemID) if wx.GetMouseState().GetModifiers() == wx.MOD_ALT else 1
         if self.mainFrame.command.Submit(cmd.GuiAddLocalDroneCommand(fitID=fitID, itemID=event.itemID, amount=amount)):
             self.mainFrame.additionsPane.select('Drones')