diff --git a/opendm/config.py b/opendm/config.py
index 69a732b7..64fc2e93 100644
--- a/opendm/config.py
+++ b/opendm/config.py
@@ -361,7 +361,7 @@ def config():
                         default=False,
                         help='Use this tag to build a DTM (Digital Terrain Model, ground only) using a progressive '
                              'morphological filter. Check the --dem* parameters for fine tuning.')
-    
+
     parser.add_argument('--dsm',
                         action='store_true',
                         default=False,
diff --git a/opendm/types.py b/opendm/types.py
index 7790071d..ed444d75 100644
--- a/opendm/types.py
+++ b/opendm/types.py
@@ -206,6 +206,9 @@ class ODM_GeoRef(object):
             log.ODM_ERROR('Unknown pole format %s' % _pole)
             return
 
+    def calculate_EPSG(self, proj):
+        return proj
+
     def coord_to_fractions(self, coord, refs):
         deg_dec = abs(float(coord))
         deg = int(deg_dec)