diff --git a/ui/measure_robot.py b/ui/measure_robot.py
index f17b119820b8aece14bd72a4b40670e8e8fcc84c..2989263a287cf8fd4d76ea104de32e71b1a8ed7d 100644
--- a/ui/measure_robot.py
+++ b/ui/measure_robot.py
@@ -124,7 +124,7 @@ class Measure_robot (CollectionGraphWindow):
         """        
 
         file_name = self.file_name + ".xlsx"
-        trace_file_name = self.trace_file_name + ".xlsx"
+        trace_file_name = self.trace_file_name + "_TRACE.xlsx"
         
         try:
             if self._dosysvar and self.data is not None: