diff --git a/spacy/language.py b/spacy/language.py
index e0abfd5e7..d51992cd9 100644
--- a/spacy/language.py
+++ b/spacy/language.py
@@ -104,7 +104,7 @@ def create_tokenizer() -> Callable[["Language"], Tokenizer]:
 
 @registry.misc("spacy.LookupsDataLoader.v1")
 def load_lookups_data(lang, tables):
-    util.logger.debug(f"Loading lookups from spacy-lookups-data: {tables}")
+    util.logger.debug("Loading lookups from spacy-lookups-data: %s", tables)
     lookups = load_lookups(lang=lang, tables=tables)
     return lookups