diff --git a/gui/fitCommands/calc/fitRemoveModule.py b/gui/fitCommands/calc/fitRemoveModule.py
index 5134f2f1b..924d42462 100644
--- a/gui/fitCommands/calc/fitRemoveModule.py
+++ b/gui/fitCommands/calc/fitRemoveModule.py
@@ -29,7 +29,14 @@ class FitRemoveModuleCommand(wx.Command):
             mod = fit.modules[x]
             if not mod.isEmpty:
                 pyfalog.debug(" -- Removing {}", mod)
-                self.modCache.append(ModuleInfoCache(mod.modPosition, mod.item.ID, mod.state, mod.charge, mod.baseItemID, mod.mutaplasmidID))
+                self.modCache.append(ModuleInfoCache(
+                    mod.modPosition,
+                    mod.item.ID,
+                    mod.state,
+                    mod.charge,
+                    mod.baseItemID,
+                    mod.mutaplasmidID,
+                    {m.attrID: m.value for m in mod.mutators.values()}))
                 fit.modules.toDummy(x)
 
         # if no modules have changes, skip command
diff --git a/gui/fitCommands/calc/fitReplaceModule.py b/gui/fitCommands/calc/fitReplaceModule.py
index 2474d1119..6415c4ec7 100644
--- a/gui/fitCommands/calc/fitReplaceModule.py
+++ b/gui/fitCommands/calc/fitReplaceModule.py
@@ -27,8 +27,14 @@ class FitReplaceModuleCommand(wx.Command):
 
         mod = fit.modules[self.position]
         if not mod.isEmpty:
-            self.old_module = ModuleInfoCache(mod.modPosition, mod.item.ID, mod.state, mod.charge, mod.baseItemID,
-                                              mod.mutaplasmidID)
+            self.old_module = ModuleInfoCache(
+                mod.modPosition,
+                mod.item.ID,
+                mod.state,
+                mod.charge,
+                mod.baseItemID,
+                mod.mutaplasmidID,
+                {m.attrID: m.value for m in mod.mutators.values()})
 
         return self.change_module(self.fitID, self.position, self.itemID)
 
diff --git a/gui/fitCommands/guiRemoveModule.py b/gui/fitCommands/guiRemoveModule.py
index 944a63160..85b14a8fd 100644
--- a/gui/fitCommands/guiRemoveModule.py
+++ b/gui/fitCommands/guiRemoveModule.py
@@ -20,7 +20,13 @@ class GuiModuleRemoveCommand(wx.Command):
         self.sFit = Fit.getInstance()
         self.fitID = fitID
         self.modCache = [ModuleInfoCache(
-            mod.modPosition, mod.item.ID, mod.state, mod.charge, mod.baseItemID, mod.mutaplasmidID) for mod in modules if not mod.isEmpty]
+            mod.modPosition,
+            mod.item.ID,
+            mod.state,
+            mod.charge,
+            mod.baseItemID,
+            mod.mutaplasmidID,
+            {m.attrID: m.value for m in mod.mutators.values()}) for mod in modules if not mod.isEmpty]
         self.internal_history = wx.CommandProcessor()
 
     def Do(self):
diff --git a/gui/fitCommands/helpers.py b/gui/fitCommands/helpers.py
index 3beeee434..4d5390551 100644
--- a/gui/fitCommands/helpers.py
+++ b/gui/fitCommands/helpers.py
@@ -3,7 +3,7 @@ from collections import namedtuple
 from eos.const import FittingModuleState
 
 
-ModuleInfoCache = namedtuple('ModuleInfoCache', ['modPosition', 'itemID', 'state', 'charge', 'baseID', 'mutaplasmidID'])
+ModuleInfoCache = namedtuple('ModuleInfoCache', ['modPosition', 'itemID', 'state', 'charge', 'baseID', 'mutaplasmidID', 'mutations'])
 
 
 def stateLimit(item):