diff --git a/grandlyon/wcs-scripts/similar_map.py b/grandlyon/wcs-scripts/similar_map.py
index daf8cda..7026296 100644
--- a/grandlyon/wcs-scripts/similar_map.py
+++ b/grandlyon/wcs-scripts/similar_map.py
@@ -11,6 +11,7 @@ from qommon.form import MapWidget
 
 import close_demands
 
+result = ''
 coords = close_demands.get_coords(vars())
 if coords:
     map_widget = MapWidget('geo', readonly=True, value='%(lat)s;%(lon)s' % coords, initial_zoom=16)