Index: sources/utility/format.cpp
===================================================================
diff -u -rc9f8f8cf3c6c37fc6460d8675c62c9442c4d4263 -r7f55cb6ec0878b36ebadee3935b916d91d60c77c
--- sources/utility/format.cpp	(.../format.cpp)	(revision c9f8f8cf3c6c37fc6460d8675c62c9442c4d4263)
+++ sources/utility/format.cpp	(.../format.cpp)	(revision 7f55cb6ec0878b36ebadee3935b916d91d60c77c)
@@ -203,6 +203,7 @@
  */
 QString Format::fromEpoch(qint64 vEpoch, QString vFormat)
 {
+    if ( ! vEpoch ) return "";
     QDateTime   dateTime = QDateTime::fromSecsSinceEpoch(vEpoch);
     return dateTime.toString(vFormat);
 }