lib/mongoid/geo/fields.rb in mongoid_geo-0.5.2 vs lib/mongoid/geo/fields.rb in mongoid_geo-0.5.3

@@ -16,12 +16,14 @@
 
             define_method(lat_meth) { read_attribute(name).try(:[], Mongoid::Geo.lat_index) }
             define_method(lng_meth) { read_attribute(name).try(:[], Mongoid::Geo.lng_index) }
                         
             define_method "#{lat_meth}=" do |value|
+              write_attribute(name, [nil,nil]) if !read_attribute(name).present?
               send(name)[Mongoid::Geo.lat_index] = value
             end            
             define_method "#{lng_meth}=" do |value|
+              write_attribute(name, [nil,nil]) if !read_attribute(name).present?
               send(name)[Mongoid::Geo.lng_index] = value
             end            
           end
 
           define_method("#{meth}=") do |value|
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