diff --git a/src/vizTool.py b/src/vizTool.py
index 8e98621070cc7ba299489d28379d034a41ee93d7..efbbe14ba46478844728683e740043094ad9e41b 100644
--- a/src/vizTool.py
+++ b/src/vizTool.py
@@ -952,7 +952,7 @@ class pyBetVizTool(wx.Frame):
       print("Error in showTableAbs")
 
 
-    self.lcAbs = wx.ListCtrl(self.p1, wx.ID_ANY, style=wx.LC_REPORT, size=(200,200))
+    self.lcAbs = wx.ListCtrl(self.p1, wx.ID_ANY, style=wx.LC_REPORT, size=(-1,-1))
     context = []
     tmp_list = []
     for i in range(ncols+1):
@@ -1123,7 +1123,7 @@ class pyBetVizTool(wx.Frame):
       print("Error in showTableCon")
 
 
-    self.lcCon = wx.ListCtrl(self.p1, wx.ID_ANY, style=wx.LC_REPORT, size=(200,200))
+    self.lcCon = wx.ListCtrl(self.p1, wx.ID_ANY, style=wx.LC_REPORT, size=(-1,-1))
     context = []
     tmp_list = []
     for i in range(ncols+1):