diff --git a/pyfpdb/GuiTourneyViewer.py b/pyfpdb/GuiTourneyViewer.py
index 777c8e9b..6881fac2 100644
--- a/pyfpdb/GuiTourneyViewer.py
+++ b/pyfpdb/GuiTourneyViewer.py
@@ -58,50 +58,48 @@ class GuiTourneyViewer (threading.Thread):
     #end def __init__
     
     def displayClicked(self, widget, data=None):
-        self.prepare(10, 9)
-        
-        result=self.db.getTourneyInfo(self.siteName, self.tourneyNo)
-        x=0
-        y=0
-        for i in range(1,len(result[0])):
-            if y==9:
-                x+=2
-                y=0
+        if self.prepare(10, 9):
+            result=self.db.getTourneyInfo(self.siteName, self.tourneyNo)
+            x=0
+            y=0
+            for i in range(1,len(result[0])):
+                if y==9:
+                    x+=2
+                    y=0
             
-            label=gtk.Label(result[0][i])
-            self.table.attach(label,x,x+1,y,y+1)
+                label=gtk.Label(result[0][i])
+                self.table.attach(label,x,x+1,y,y+1)
             
-            if result[1][i]==None:
-                label=gtk.Label("N/A")
-            else:
-                label=gtk.Label(result[1][i])
-            self.table.attach(label,x+1,x+2,y,y+1)
+                if result[1][i]==None:
+                    label=gtk.Label("N/A")
+                else:
+                    label=gtk.Label(result[1][i])
+                self.table.attach(label,x+1,x+2,y,y+1)
             
-            y+=1
+                y+=1
         self.mainVBox.show_all()
     #def displayClicked
     
     def displayPlayerClicked(self, widget, data=None):
-        self.prepare(4, 5)
-        
-        result=self.db.getTourneyPlayerInfo(self.siteName, self.tourneyNo, self.playerName)
-        x=0
-        y=0
-        for i in range(1,len(result[0])):
-            if y==5:
-                x+=2
-                y=0
+        if self.prepare(4, 5):
+            result=self.db.getTourneyPlayerInfo(self.siteName, self.tourneyNo, self.playerName)
+            x=0
+            y=0
+            for i in range(1,len(result[0])):
+                if y==5:
+                    x+=2
+                    y=0
             
-            label=gtk.Label(result[0][i])
-            self.table.attach(label,x,x+1,y,y+1)
+                label=gtk.Label(result[0][i])
+                self.table.attach(label,x,x+1,y,y+1)
             
-            if result[1][i]==None:
-                label=gtk.Label("N/A")
-            else:
-                label=gtk.Label(result[1][i])
-            self.table.attach(label,x+1,x+2,y,y+1)
+                if result[1][i]==None:
+                    label=gtk.Label("N/A")
+                else:
+                    label=gtk.Label(result[1][i])
+                self.table.attach(label,x+1,x+2,y,y+1)
             
-            y+=1
+                y+=1
         self.mainVBox.show_all()
     #def displayPlayerClicked
     
@@ -111,12 +109,21 @@ class GuiTourneyViewer (threading.Thread):
     #end def get_vbox
     
     def prepare(self, columns, rows):
-        self.tourneyNo=int(self.entryTourney.get_text())
+        try: self.errorLabel.destroy()
+        except: pass
+        
+        try:
+            self.tourneyNo=int(self.entryTourney.get_text())
+        except ValueError:
+            self.errorLabel=gtk.Label("invalid entry in tourney number - must enter numbers only")
+            self.mainVBox.add(self.errorLabel)
+            return False
         self.siteName=self.siteBox.get_active_text()
         self.playerName=self.entryPlayer.get_text()
         
         self.table.destroy()
         self.table=gtk.Table(columns=columns, rows=rows)
         self.mainVBox.add(self.table)
+        return True
     #end def readInfo
 #end class GuiTourneyViewer