diff --git a/graphs/gui/panel.py b/graphs/gui/panel.py
index f72f9ecbb..d824a7062 100644
--- a/graphs/gui/panel.py
+++ b/graphs/gui/panel.py
@@ -270,8 +270,15 @@ class GraphControlPanel(wx.Panel):
         self.targetList.refreshExtraColumns(view.tgtExtraCols)
         self.srcTgtSizer.Detach(self.sourceList)
         self.srcTgtSizer.Detach(self.targetList)
-        self.srcTgtSizer.Add(self.sourceList, self.sourceList.ColumnCount, wx.EXPAND | wx.ALL, 0)
-        self.srcTgtSizer.Add(self.targetList, self.targetList.ColumnCount, wx.EXPAND | wx.LEFT, 10)
+
+        def getProportion(wrapperList):
+            propWidth = 0
+            for column in wrapperList.activeColumns:
+                propWidth += column.proportionWidth
+            return propWidth
+
+        self.srcTgtSizer.Add(self.sourceList, getProportion(self.sourceList), wx.EXPAND | wx.ALL, 0)
+        self.srcTgtSizer.Add(self.targetList, getProportion(self.targetList), wx.EXPAND | wx.LEFT, 10)
         self.Layout()
 
     def OnShowLegendChange(self, event):
diff --git a/gui/builtinViewColumns/attributeDisplayGraph.py b/gui/builtinViewColumns/attributeDisplayGraph.py
index 3f2e1991b..b3d9c0e5e 100644
--- a/gui/builtinViewColumns/attributeDisplayGraph.py
+++ b/gui/builtinViewColumns/attributeDisplayGraph.py
@@ -34,6 +34,7 @@ from gui.viewColumn import ViewColumn
 
 class GraphColumn(ViewColumn, metaclass=ABCMeta):
 
+    proportionWidth = 2
     stickPrefixToValue = False
 
     def __init__(self, fittingView, iconID, formatSpec=(3, 0, 3)):
diff --git a/gui/builtinViewColumns/baseName.py b/gui/builtinViewColumns/baseName.py
index 57c3ba99f..052660338 100644
--- a/gui/builtinViewColumns/baseName.py
+++ b/gui/builtinViewColumns/baseName.py
@@ -42,7 +42,9 @@ pyfalog = Logger(__name__)
 
 
 class BaseName(ViewColumn):
+
     name = "Base Name"
+    proportionWidth = 7
 
     def __init__(self, fittingView, params):
         ViewColumn.__init__(self, fittingView)
diff --git a/gui/builtinViewColumns/targetResists.py b/gui/builtinViewColumns/targetResists.py
index e622a6970..59a5e0861 100644
--- a/gui/builtinViewColumns/targetResists.py
+++ b/gui/builtinViewColumns/targetResists.py
@@ -30,6 +30,7 @@ from service.const import TargetResistMode
 class TargetResists(ViewColumn):
 
     name = 'Target Resists'
+    proportionWidth = 5
 
     def __init__(self, fittingView, params):
         super().__init__(fittingView)
diff --git a/gui/viewColumn.py b/gui/viewColumn.py
index ec58ef4d8..5fba90c35 100644
--- a/gui/viewColumn.py
+++ b/gui/viewColumn.py
@@ -28,6 +28,7 @@ class ViewColumn:
     they can be used as columns in a view.
     """
     columns = {}
+    proportionWidth = 1
 
     def __init__(self, fittingView):
         self.fittingView = fittingView