diff --git a/test/unit/test_execution_span.py b/test/unit/test_execution_span.py
index ef289fa11..26911f5f3 100644
--- a/test/unit/test_execution_span.py
+++ b/test/unit/test_execution_span.py
@@ -270,7 +270,7 @@ def test_duration(self):
 
     def test_repr(self):
         """Test the repr method"""
-        expect = "start='2024-10-11 04:31:30', stop='2024-10-11 04:31:34', size=14"
+        expect = "start='2024-10-11 04:31:30', stop='2024-10-11 04:31:34', size=11"
         self.assertEqual(repr(self.span1), f"TwirledSliceSpan(<{expect}>)")
 
     def test_size(self):