diff --git a/src/NmeaParser.Shared/NmeaFileDevice.cs b/src/NmeaParser.Shared/NmeaFileDevice.cs
index d3906dc..3448462 100644
--- a/src/NmeaParser.Shared/NmeaFileDevice.cs
+++ b/src/NmeaParser.Shared/NmeaFileDevice.cs
@@ -12,7 +12,9 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-//using System;
+//
+ 
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;