diff --git a/LICENSE b/LICENSE
index a9d4a88..72745ba 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2014-2017 Alexis Mousset
+Copyright (c) 2014-2018 Alexis Mousset
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/lettre/src/smtp/client/mod.rs b/lettre/src/smtp/client/mod.rs
index 1e6be4c..9b8564d 100644
--- a/lettre/src/smtp/client/mod.rs
+++ b/lettre/src/smtp/client/mod.rs
@@ -61,7 +61,8 @@ impl ClientCodec {
                         start = idx;
                     }
                 }
-                Ok(buf.write_all(&frame[start..])?)
+                buf.write_all(&frame[start..])?;
+                Ok(())
             }
         }
     }