diff --git a/core/lib/spree/preferences/preferable.rb b/core/lib/spree/preferences/preferable.rb
index 4d791430e07..f5d4b6bcb8b 100644
--- a/core/lib/spree/preferences/preferable.rb
+++ b/core/lib/spree/preferences/preferable.rb
@@ -158,8 +158,7 @@ def convert_preference_value(value, type)
           value.to_i
         when :boolean
           if !value ||
-             value == 0 ||
-             value =~ /\A(f|false|0)\Z/i ||
+             value.to_s =~ /\A(f|false|0|^)\Z/i ||
              (value.respond_to?(:empty?) && value.empty?)
             false
           else