diff --git a/docs/howto/custom-lookups.txt b/docs/howto/custom-lookups.txt
index 1878a65058..144bd7c70a 100644
--- a/docs/howto/custom-lookups.txt
+++ b/docs/howto/custom-lookups.txt
@@ -307,7 +307,7 @@ would override ``get_lookup`` with something like::
                     dimension = int(lookup_name[1:])
                 except ValueError:
                     pass
-                finally:
+                else:
                     return get_coordinate_lookup(dimension)
             return super(CoordinatesField, self).get_lookup(lookup_name)