diff --git a/src/tts_tools/prefetch/__init__.py b/src/tts_tools/prefetch/__init__.py
index 265bb22..5e907aa 100644
--- a/src/tts_tools/prefetch/__init__.py
+++ b/src/tts_tools/prefetch/__init__.py
@@ -1,3 +1,4 @@
+import http.client
 import os
 import sys
 import urllib.request
@@ -112,6 +113,10 @@ def prefetch_file(filename,
             print_err("Error ({reason})".format(reason=error))
             continue
 
+        except http.client.HTTPException as error:
+            print_err("HTTP error ({reason})".format(reason=error))
+            continue
+
         # Only for informative purposes.
         length = response.getheader('Content-Length', 0)
         length_kb = "???"