diff --git a/tests/bugs/core_5606_test.py b/tests/bugs/core_5606_test.py
index 6030e6a4..26bed86e 100644
--- a/tests/bugs/core_5606_test.py
+++ b/tests/bugs/core_5606_test.py
@@ -78,7 +78,7 @@ expected_stderr = """
 
     Statement failed, SQLSTATE = HY000
     Expression evaluation error for index "TEST_EVAL3" on table "TEST"
-    -Context variable 'FOO_&_BAR' is not found in namespace SYSTEM
+    -Context variable 'FOO_&_BAR' is not found in namespace 'SYSTEM'
     Statement failed, SQLSTATE = 22012
 
     Expression evaluation error for index "TEST_EVAL4" on table "TEST"