Index: Core/Code/Controllers/mitkProgressBar.h
===================================================================
--- Core/Code/Controllers/mitkProgressBar.h	(revision 19784)
+++ Core/Code/Controllers/mitkProgressBar.h	(working copy)
@@ -53,12 +53,12 @@
 
     //##Documentation
     //## @brief Adds steps to totalSteps.
-    void AddStepsToDo(unsigned int steps, bool callFromThread = false);
+    void AddStepsToDo(unsigned int steps, bool callFromThread = true);
   
     //##Documentation
     //## @brief Sets the current amount of progress to current progress + steps.
     //## @param: steps the number of steps done since last Progress(int steps) call.
-    void Progress(unsigned int steps = 1, bool callFromThread = false);
+    void Progress(unsigned int steps = 1, bool callFromThread = true);
 
     //##Documentation
     //## @brief Sets whether the current progress value is displayed.