diff --git a/lib/teracy-dev/util.rb b/lib/teracy-dev/util.rb
index 20bd1678..342194b5 100644
--- a/lib/teracy-dev/util.rb
+++ b/lib/teracy-dev/util.rb
@@ -10,8 +10,9 @@ def self.exist?(value)
       if !value.nil?
         if value.instance_of? String
           exist = !value.empty?
+        else
+          exist = true
         end
-        exist = true
       end
       exist
     end