diff --git a/nbclassic/notebookapp.py b/nbclassic/notebookapp.py
index e80130b70..73a4a80c6 100644
--- a/nbclassic/notebookapp.py
+++ b/nbclassic/notebookapp.py
@@ -325,7 +325,7 @@ def initialize_handlers(self):
         router.add_rules(core_rules)
         router.add_rules(static_handlers)
         router.add_rules(final_rules)
-        print("""
+        print(r"""
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