diff --git a/simplestore/lib/simplestore_model/HTML5ModelConverter.py b/simplestore/lib/simplestore_model/HTML5ModelConverter.py
index 06d2eeeb9d..24bbe900f6 100644
--- a/simplestore/lib/simplestore_model/HTML5ModelConverter.py
+++ b/simplestore/lib/simplestore_model/HTML5ModelConverter.py
@@ -202,15 +202,16 @@ class SelectFieldWithInput(SelectField):
     filtering = ""
     other = ""
 
-    def __init__(self, other="", filtering="", cardinality="1", 
+    def __init__(self, other="", filtering="", cardinality=1, 
                        data_provide="", data_source="", **field_args):
-        # make list of tuples for SelectField (only once)
         self.cardinality = cardinality        
         self.other = other
         self.filtering = filtering
+        # make list of tuples for SelectField (only once)
         if isinstance(data_source[0], basestring):
             field_args['choices'] = [(x,x) for x in data_source]
-            field_args['choices'].append(('other', other))
+            if other:
+                field_args['choices'].append(('other', other))
         super(SelectFieldWithInput, self).__init__(**field_args)