diff --git a/src/sextante/gui/ParametersDialog.py b/src/sextante/gui/ParametersDialog.py
index 1ddd4bd0d55..c149ce304e4 100644
--- a/src/sextante/gui/ParametersDialog.py
+++ b/src/sextante/gui/ParametersDialog.py
@@ -244,7 +244,7 @@ class Ui_ParametersDialog(object):
     def error(self, msg):
         self.algEx.finished.disconnect()
         QApplication.restoreOverrideCursor()
-        QMessageBox.critical(self, "Error", msg)
+        QMessageBox.critical(self.dialog, "Error", msg)
         SextanteLog.addToLog(SextanteLog.LOG_ERROR, msg)
         keepOpen = SextanteConfig.getSetting(SextanteConfig.KEEP_DIALOG_OPEN)
         if not keepOpen: