diff --git a/eprints2bags/network.py b/eprints2bags/network.py
index 7c486d1..d93b4ca 100644
--- a/eprints2bags/network.py
+++ b/eprints2bags/network.py
@@ -327,8 +327,8 @@ def addurl(text):
         error = ServiceFailure(addurl(f'Server error (HTTP code {code})'))
     elif not (200 <= code < 400):
         error = NetworkFailure(f'Unable to resolve {url}')
-    if __debug__: log('returning result {}',
-                      'with error {}'.format(error) if error else 'without error')
+    if __debug__: log('returning result {}'
+                      + ' with error {}'.format(error) if error else 'without error')
     return (req, error)
 
 
diff --git a/eprints2bags/ui.py b/eprints2bags/ui.py
index cb898f5..87c2ced 100644
--- a/eprints2bags/ui.py
+++ b/eprints2bags/ui.py
@@ -29,7 +29,7 @@
 import sys
 
 if __debug__:
-    from sidetrack import set_debug, log, logr
+    from sidetrack import set_debug, log, logf
 
 from .exceptions import *
 
@@ -264,7 +264,7 @@ def inform(self, text, *args):
         if not self._be_quiet:
             self._print_or_queue(text.format(*args), 'info')
         else:
-            if __debug__: log(text, *args)
+            if __debug__: logf(text, *args)
 
 
     def warn(self, text, *args):