diff --git a/testsuite/tests/gdb_helpers/check_control_flow.py b/testsuite/tests/gdb_helpers/check_control_flow.py
index 4b285ce7d..87b35e867 100644
--- a/testsuite/tests/gdb_helpers/check_control_flow.py
+++ b/testsuite/tests/gdb_helpers/check_control_flow.py
@@ -123,7 +123,7 @@ run_foosi("""\
 <FieldAccess for parents at test.py:@NUMBER> evaluated to:\
  Bare_Foo_Node array of length 2 = {@...
 
-Now evaluating <length at test.py:155>""")
+Now evaluating <length at test.py:@NUMBER>""")
 run_foosi("""\
 <length at test.py:@NUMBER> evaluated to: 2