diff --git a/odxtools/odxtypes.py b/odxtools/odxtypes.py
index c5a18f70..0b46f9de 100644
--- a/odxtools/odxtypes.py
+++ b/odxtools/odxtypes.py
@@ -254,5 +254,4 @@ def __str__(self) -> str:
         elif self in (DataType.A_UNICODE2STRING, DataType.A_ASCIISTRING, DataType.A_UTF8STRING):
             return "string"
         else:
-            odxraise(f"Type info for type {self.value}", NotImplementedError)
-            return "<unknown type>"
+            return f"<unknown type '{self.value}'>"