Index: src/libchcore/TSubTaskArray.cpp
===================================================================
diff -u -N -rd88274a4bbfd4ef005d44c4d179b7596cb627486 -r297ce850732d4243414c851df145ca97bd696baa
--- src/libchcore/TSubTaskArray.cpp	(.../TSubTaskArray.cpp)	(revision d88274a4bbfd4ef005d44c4d179b7596cb627486)
+++ src/libchcore/TSubTaskArray.cpp	(.../TSubTaskArray.cpp)	(revision 297ce850732d4243414c851df145ca97bd696baa)
@@ -73,6 +73,7 @@
 TSubTaskBase::ESubOperationResult TSubTasksArray::Execute(bool bRunOnlyEstimationSubTasks)
 {
 	TSubTaskBase::ESubOperationResult eResult = TSubTaskBase::eSubResult_Continue;
+	TTaskBasicProgressInfo& rBasicProgressInfo = m_rSubTaskContext.GetTaskBasicProgressInfo();
 
 	size_t stSubOperationIndex = m_rSubTaskContext.GetTaskBasicProgressInfo().GetSubOperationIndex();
 	for(; stSubOperationIndex < m_vSubTasks.size() && eResult == TSubTaskBase::eSubResult_Continue; ++stSubOperationIndex)
@@ -92,6 +93,11 @@
 		}
 
 		eResult = spCurrentSubTask->Exec();
+		if(eResult == TSubTaskBase::eSubResult_Continue)
+		{
+			// reset progress for each subtask
+			rBasicProgressInfo.SetCurrentIndex(0);
+		}
 	}
 
 	return eResult;