diff --git a/gui/builtinViews/fittingView.py b/gui/builtinViews/fittingView.py
index 929772c6e..455e1e06b 100644
--- a/gui/builtinViews/fittingView.py
+++ b/gui/builtinViews/fittingView.py
@@ -26,7 +26,7 @@ import gui.display as d
 from gui.contextMenu import ContextMenu
 import gui.shipBrowser
 import gui.multiSwitch
-from eos.types import Slot, Rack
+from eos.types import Slot, Rack, Module
 from gui.builtinViewColumns.state import State
 from gui import bitmapLoader
 import gui.builtinViews.emptyView
@@ -559,12 +559,14 @@ class FittingView(d.Display):
 
         font = (self.GetClassDefaultAttributes()).font
         for i, mod in enumerate(self.mods):
-            if hasattr(mod,"slot") and slotMap[mod.slot]:
-                self.SetItemBackgroundColour(i, wx.Colour(204, 51, 51))
-            elif sFit.serviceFittingOptions["colorFitBySlot"] and not isinstance(mod, Rack):
-                self.SetItemBackgroundColour(i, self.slotColour(mod.slot))
-            else:
-                self.SetItemBackgroundColour(i, self.GetBackgroundColour())
+            self.SetItemBackgroundColour(i, self.GetBackgroundColour())
+
+            #  only consider changing color if we're dealing with a Module
+            if type(mod) is Module:
+                if slotMap[mod.slot]:  # Color too many modules as red
+                    self.SetItemBackgroundColour(i, wx.Colour(204, 51, 51))
+                elif sFit.serviceFittingOptions["colorFitBySlot"]:  # Color by slot it enabled
+                    self.SetItemBackgroundColour(i, self.slotColour(mod.slot))
 
             # Set rack face to bold
             if isinstance(mod, Rack) and \