diff --git a/src/helper.cpp b/src/helper.cpp
index da7d9bf3..bd2043fa 100644
--- a/src/helper.cpp
+++ b/src/helper.cpp
@@ -70,7 +70,7 @@ std::string intervalSummarize (const Rules& rules, const Interval& interval)
       out << "Recorded " << tags << '\n'
           << "  Started " << interval.range.start.toISOLocalExtended () << '\n'
           << "  Ended   " << interval.range.end.toISOLocalExtended () << '\n'
-          << "  Elapsed " << std::setw (19) << std::setfill (' ') << dur.format () << '\n';
+          << "  Elapsed " << std::setw (19) << std::setfill (' ') << dur.formatHours () << '\n';
     }
 
     // Interval open.
@@ -82,7 +82,7 @@ std::string intervalSummarize (const Rules& rules, const Interval& interval)
 
       if (dur.toTime_t () > 10)
         out << "  Current " << Datetime ().toISOLocalExtended () << '\n'
-            << "  Elapsed " << std::setw (19) << std::setfill (' ') << dur.format () << '\n';
+            << "  Elapsed " << std::setw (19) << std::setfill (' ') << dur.formatHours () << '\n';
     }
   }