diff --git a/lib/active_record/connection_adapters/sqlserver/type/time.rb b/lib/active_record/connection_adapters/sqlserver/type/time.rb
index ef209641a..bdc8bbc86 100644
--- a/lib/active_record/connection_adapters/sqlserver/type/time.rb
+++ b/lib/active_record/connection_adapters/sqlserver/type/time.rb
@@ -11,7 +11,7 @@ def serialize(value)
             value = super
             return value unless value.acts_like?(:time)
 
-            time = "#{value.to_s(:_sqlserver_time)}.#{quote_fractional(value)}"
+            time = "#{value.to_formatted_s(:_sqlserver_time)}.#{quote_fractional(value)}"
 
             Data.new time, self
           end