X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/610f2cc254cf442c895351907be6405f03026903..1620c839a22c537a8b3f7a6391172c5f4ff86fb5:/nominatim/tokenizer/sanitizers/config.py

diff --git a/nominatim/tokenizer/sanitizers/config.py b/nominatim/tokenizer/sanitizers/config.py
index 3ff681b9..ecfcacbe 100644
--- a/nominatim/tokenizer/sanitizers/config.py
+++ b/nominatim/tokenizer/sanitizers/config.py
@@ -33,7 +33,7 @@ class SanitizerConfig(UserDict):
             return None if default is None else list(default)
 
         if isinstance(values, str):
-            return [values]
+            return [values] if values else []
 
         if not isinstance(values, (list, tuple)):
             raise UsageError(f"Parameter '{param}' must be string or list of strings.")