diff --git a/bibtexautocomplete/APIs/inspire.py b/bibtexautocomplete/APIs/inspire.py
index 4d59275..9fe741c 100644
--- a/bibtexautocomplete/APIs/inspire.py
+++ b/bibtexautocomplete/APIs/inspire.py
@@ -47,7 +47,8 @@ def get_base_path(self) -> str:
         return self.path + "/literature/"
 
     def get_params(self) -> Dict[str, str]:
-        base = super().get_params()
+        base = dict()
+        base.update(super().get_params())
         if self.doi is not None:
             return base
         if self.title is not None:
diff --git a/bibtexautocomplete/lookups/https.py b/bibtexautocomplete/lookups/https.py
index b73b7b1..27efb34 100644
--- a/bibtexautocomplete/lookups/https.py
+++ b/bibtexautocomplete/lookups/https.py
@@ -259,7 +259,7 @@ def get_data(self) -> Optional[Data]:
         since_last_query = time() - self.last_query_time
         wait = self.query_delay - since_last_query
         if wait > 0.0:
-            logger.debug("Rate limiter: sleeping for {wait}s", wait=wait)
+            logger.debug("Rate limiter: sleeping for {wait}s", wait=round(wait, 3))
             sleep(wait)
         self.__class__.last_query_time = time()
         data = super().get_data()