diff --git a/python/plugins/processing/gui/AlgorithmExecutionDialog.py b/python/plugins/processing/gui/AlgorithmExecutionDialog.py
index a5a531d9cd5..b7d554a1762 100644
--- a/python/plugins/processing/gui/AlgorithmExecutionDialog.py
+++ b/python/plugins/processing/gui/AlgorithmExecutionDialog.py
@@ -126,6 +126,9 @@ class AlgorithmExecutionDialog(QtGui.QDialog):
         self.buttonBox.rejected.connect(self.close)
         self.buttonBox.button(
                 QtGui.QDialogButtonBox.Cancel).clicked.connect(self.cancel)
+                
+        self.showDebug = ProcessingConfig.getSetting(
+                ProcessingConfig.SHOW_DEBUG_IN_DIALOG)                
 
     def setParamValues(self):
         params = self.alg.parameters
@@ -196,14 +199,11 @@ class AlgorithmExecutionDialog(QtGui.QDialog):
         else:
             return param.setValue(unicode(widget.text()))
 
-    @pyqtSlot()
     def accept(self):
         checkCRS = ProcessingConfig.getSetting(
                 ProcessingConfig.WARN_UNMATCHING_CRS)
         keepOpen = ProcessingConfig.getSetting(
                 ProcessingConfig.KEEP_DIALOG_OPEN)
-        self.showDebug = ProcessingConfig.getSetting(
-                ProcessingConfig.SHOW_DEBUG_IN_DIALOG)
         try:
             self.setParamValues()
             if checkCRS and not self.alg.checkInputCRS():