diff --git a/python/plugins/GdalTools/tools/dialogSRS.py b/python/plugins/GdalTools/tools/dialogSRS.py
index c886053af202..ce2c4bdef233 100644
--- a/python/plugins/GdalTools/tools/dialogSRS.py
+++ b/python/plugins/GdalTools/tools/dialogSRS.py
@@ -5,7 +5,7 @@
 from qgis.gui import *
 
 class GdalToolsSRSDialog(QDialog):
-  def __init__(self, title, parent):
+  def __init__(self, title, parent=None):
       QDialog.__init__(self, parent)
       self.setWindowTitle( title )
 
diff --git a/python/plugins/GdalTools/tools/doProjection.py b/python/plugins/GdalTools/tools/doProjection.py
index 7c3384de7b84..fdb7150dee2d 100644
--- a/python/plugins/GdalTools/tools/doProjection.py
+++ b/python/plugins/GdalTools/tools/doProjection.py
@@ -84,7 +84,7 @@ def fillInputDir( self ):
       self.inSelector.setFilename( inputDir )
 
   def fillDesiredSRSEdit( self ):
-      dialog = SRSDialog( "Select desired SRS" )
+      dialog = SRSDialog( "Select desired SRS", self )
       if dialog.exec_():
         self.desiredSRSEdit.setText( dialog.getProjection() )
 
diff --git a/python/plugins/GdalTools/tools/doTranslate.py b/python/plugins/GdalTools/tools/doTranslate.py
index a4d566acf959..e9d21bfeb79e 100644
--- a/python/plugins/GdalTools/tools/doTranslate.py
+++ b/python/plugins/GdalTools/tools/doTranslate.py
@@ -155,7 +155,7 @@ def refreshTargetSRS(self):
       self.targetSRSEdit.setText( Utils.getRasterSRS( self, self.getInputFileName() ) )
 
   def fillTargetSRSEdit(self):
-      dialog = SRSDialog( "Select the target SRS" )
+      dialog = SRSDialog( "Select the target SRS", self )
       if dialog.exec_():
         self.targetSRSEdit.setText(dialog.getProjection())
 
diff --git a/python/plugins/GdalTools/tools/doWarp.py b/python/plugins/GdalTools/tools/doWarp.py
index 7b24bb51260d..52ca5f72b22e 100644
--- a/python/plugins/GdalTools/tools/doWarp.py
+++ b/python/plugins/GdalTools/tools/doWarp.py
@@ -141,7 +141,7 @@ def fillOutputDir( self ):
       self.outSelector.setFilename( outputDir )
 
   def fillSourceSRSEdit(self):
-      dialog = SRSDialog( "Select the source SRS" )
+      dialog = SRSDialog( "Select the source SRS", self )
       if dialog.exec_():
         self.sourceSRSEdit.setText(dialog.getProjection())
 
@@ -156,7 +156,7 @@ def refreshSourceSRS(self):
       self.sourceSRSCheck.setChecked( not crs.isEmpty() )
 
   def fillTargetSRSEdit(self):
-      dialog = SRSDialog( "Select the target SRS" )
+      dialog = SRSDialog( "Select the target SRS", self )
       if dialog.exec_():
         self.targetSRSEdit.setText(dialog.getProjection())