diff --git a/cmk/base/notify.py b/cmk/base/notify.py
index ab85807c571..b0ff6ec4d7b 100644
--- a/cmk/base/notify.py
+++ b/cmk/base/notify.py
@@ -1892,7 +1892,7 @@ def format_(value: str) -> str:
         if len(value) > max_length:
             return (
                 value[:max_length]
-                + "...\nAttention: Removed remaining content because it was too long."
+                + "...\\nAttention: Removed remaining content because it was too long."
             )
         return value