diff --git a/gui/builtinViewColumns/ammo.py b/gui/builtinViewColumns/ammo.py
index b3694fa95..3bc39d45b 100644
--- a/gui/builtinViewColumns/ammo.py
+++ b/gui/builtinViewColumns/ammo.py
@@ -27,7 +27,7 @@ class Ammo(ViewColumn):
     def __init__(self, fittingView, params):
         ViewColumn.__init__(self, fittingView)
         self.mask = wx.LIST_MASK_IMAGE
-        self.imageId = fittingView.imageList.Add(bitmapLoader.getBitmap("damagePattern_small", "icons"))
+        self.imageId = fittingView.imageList.GetImageIndex("damagePattern_small", "icons")
 
     def getText(self, stuff):
         return "%s (%s)" % (stuff.charge.name, stuff.numCharges) if getattr(stuff, "charge", None) is not None else ""