diff --git a/src/nbiatoolkit/nbia_cli.py b/src/nbiatoolkit/nbia_cli.py
index 946977b..23f4d52 100644
--- a/src/nbiatoolkit/nbia_cli.py
+++ b/src/nbiatoolkit/nbia_cli.py
@@ -18,7 +18,7 @@
 
 
 def version():
-    f = """
+    f = r"""
         _   ______  _______  ______            ____   _ __
        / | / / __ )/  _/   |/_  __/___  ____  / / /__(_) /_
       /  |/ / __  |/ // /| | / / / __ \/ __ \/ / //_/ / __/