diff --git a/lib/ldclient-rb/ldclient.rb b/lib/ldclient-rb/ldclient.rb
index 60cd33e8..20ebeddf 100644
--- a/lib/ldclient-rb/ldclient.rb
+++ b/lib/ldclient-rb/ldclient.rb
@@ -203,10 +203,10 @@ def match_target?(target, user)
           return false
         end
         u_value = user[:custom][attrib]
-        if u_value.is_a? String or u_value.is_a? Numeric
+        if u_value.is_a? Array
+          return ! ((target[:values] & u_value).empty?)          
+        else
           return target[:values].include? u_value
-        elsif u_value.is_a? Array
-          return ! ((target[:values] & u_value).empty?)
         end
 
         return false