diff --git a/Code/Mantid/Framework/Geometry/inc/MantidGeometry/Instrument/DetectorGroup.h b/Code/Mantid/Framework/Geometry/inc/MantidGeometry/Instrument/DetectorGroup.h
index dde0fcd91ca4ae0db733bbf0bddd1a1043d8a146..982acf9eefebcb27c46600dbac15a253e5f0bd3e 100644
--- a/Code/Mantid/Framework/Geometry/inc/MantidGeometry/Instrument/DetectorGroup.h
+++ b/Code/Mantid/Framework/Geometry/inc/MantidGeometry/Instrument/DetectorGroup.h
@@ -120,6 +120,9 @@ namespace Mantid
       calculating such topology if it was not */
       det_topology getTopology(Kernel::V3D &center)const;
 
+      /// Return separator for list of names of detectors
+      std::string getNameSeparator() const { return ";"; }
+
     protected:
       /// The ID of this effective detector
       int m_id;
@@ -134,8 +137,7 @@ namespace Mantid
       mutable det_topology group_topology;
       /// group centre is the geometrical centre of the detectors group calculated when the calculate group topology is invoked
       mutable Kernel::V3D  groupCentre; 
-      /// Return separator for list of names of detectors
-      std::string getNameSeparator() const { return ";"; }
+
    
       // functions inherited from IComponent
       Component* clone() const{ return NULL; }
diff --git a/Code/Mantid/Framework/PythonInterface/mantid/geometry/src/Exports/DetectorGroup.cpp b/Code/Mantid/Framework/PythonInterface/mantid/geometry/src/Exports/DetectorGroup.cpp
index 7b403fd9e320a18c1139fe5554b61b911d701d8d..f83aaef0afac5286c8ff083aeeb0ef77e1416941 100644
--- a/Code/Mantid/Framework/PythonInterface/mantid/geometry/src/Exports/DetectorGroup.cpp
+++ b/Code/Mantid/Framework/PythonInterface/mantid/geometry/src/Exports/DetectorGroup.cpp
@@ -9,6 +9,7 @@ void export_DetectorGroup()
 {
   class_<DetectorGroup, bases<IDetector>, boost::noncopyable>("DetectorGroup", no_init)
     .def("getDetectorIDs", &DetectorGroup::getDetectorIDs, "Returns the list of detector IDs within this group")
+    .def("getNameSeparator",&DetectorGroup::getNameSeparator,"Returns separator for list of names of detectors")
     ;
 }