diff --git a/linkcheck/log/SQLLogger.py b/linkcheck/log/SQLLogger.py
index 21359a60..727ba856 100644
--- a/linkcheck/log/SQLLogger.py
+++ b/linkcheck/log/SQLLogger.py
@@ -18,7 +18,7 @@
 from StandardLogger import StandardLogger
 from Logger import Logger
 import time
-from linkcheck.log import strtime
+from linkcheck.log import strtime, strduration
 from linkcheck import StringUtil, i18n, Config
 
 class SQLLogger (StandardLogger):
diff --git a/linkcheck/log/XMLLogger.py b/linkcheck/log/XMLLogger.py
index 6dbe2cc2..569a8a57 100644
--- a/linkcheck/log/XMLLogger.py
+++ b/linkcheck/log/XMLLogger.py
@@ -18,7 +18,7 @@
 import time
 from linkcheck import Config, i18n
 from linkcheck.StringUtil import xmlify
-from linkcheck.log import strtime
+from linkcheck.log import strtime, strduration
 from StandardLogger import StandardLogger
 from Logger import Logger