diff --git a/RouteFinding/06_tests.py b/RouteFinding/06_tests.py
index 5bf2af4..1c87add 100644
--- a/RouteFinding/06_tests.py
+++ b/RouteFinding/06_tests.py
@@ -87,8 +87,8 @@ class Searcher:
         # create an 'open' list
         self.open = list()
     def setStartGoal(self, startNode, endNode):
-        self.startNode = startNode
-        self.endNode = endNode
+        self.startNode = startNode.upper()
+        self.endNode = endNode.upper()
         self.myViz.markStart(self.startNode)
         self.myViz.markGoal(self.endNode)
         # add the starting node to the 'open' list.