diff --git a/meshroom/ui/reconstruction.py b/meshroom/ui/reconstruction.py
index 6ce1982f..b878a9bf 100755
--- a/meshroom/ui/reconstruction.py
+++ b/meshroom/ui/reconstruction.py
@@ -149,7 +149,7 @@ class Reconstruction(UIGraph):
     Specialization of a UIGraph designed to manage a 3D reconstruction.
     """
 
-    imageExtensions = ('.jpg', '.jpeg', '.tif', '.tiff', '.png', '.exr', '.rw2', '.cr2')
+    imageExtensions = ('.jpg', '.jpeg', '.tif', '.tiff', '.png', '.exr', '.rw2', '.cr2', '.nef')
 
     def __init__(self, graphFilepath='', parent=None):
         super(Reconstruction, self).__init__(graphFilepath, parent)