diff --git a/src/report.cpp b/src/report.cpp
index 233c6e7a5..ff563f7e3 100644
--- a/src/report.cpp
+++ b/src/report.cpp
@@ -696,7 +696,7 @@ int handleReportSummary (std::string &outs)
         table.addCell (row, 0, (i->first == "" ? "(none)" : i->first));
         table.addCell (row, 1, countPending[i->first]);
         if (counter[i->first])
-          table.addCell (row, 2, Duration (sumEntry[i->first] / counter[i->first]).format ());
+          table.addCell (row, 2, Duration ((int) sumEntry[i->first] / counter[i->first]).format ());
 
         int c = countCompleted[i->first];
         int p = countPending[i->first];