diff --git a/src/sextante/gui/ParametersPanel.py b/src/sextante/gui/ParametersPanel.py
@@ -29,6 +29,7 @@
 from sextante.outputs.OutputRaster import OutputRaster
 from sextante.outputs.OutputTable import OutputTable
 from sextante.outputs.OutputVector import OutputVector
+from sextante.parameters.ParameterString import ParameterString
 
 class ParametersPanel(QtGui.QWidget):
 
@@ -256,6 +257,17 @@ def getWidgetFromParameter(self, param):
             item = ExtentSelectionPanel(self.parent, self.alg, param.default)
         elif isinstance(param, ParameterCrs):
             item = CrsSelectionPanel(param.default)
+        elif isinstance(param, ParameterString):
+            if param.multiline:
+                verticalLayout = QtGui.QVBoxLayout()
+                verticalLayout.setSizeConstraint(QtGui.QLayout.SetDefaultConstraint)
+                textEdit = QtGui.QPlainTextEdit()
+                textEdit.setPlainText(param.default)
+                verticalLayout.addWidget(textEdit)
+                item = textEdit
+            else:
+                item = QtGui.QLineEdit()
+                item.setText(str(param.default))
         else:
             item = QtGui.QLineEdit()
             item.setText(str(param.default))

diff --git a/src/sextante/parameters/ParameterString.py b/src/sextante/parameters/ParameterString.py
@@ -2,10 +2,11 @@
 
 class ParameterString(Parameter):
 
-    def __init__(self, name="", description="", default=""):
+    def __init__(self, name="", description="", default="", multiline = False):
         Parameter.__init__(self, name, description)
         self.default = default
         self.value = None
+        self.multiline = multiline
 
     def setValue(self, obj):
         if obj is None: