1 files changed, 2 insertions, 2 deletions
diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs
index cfc915c7d0a..d70b6b4d57b 100644
--- a/src/libserialize/json.rs
+++ b/src/libserialize/json.rs
@@ -382,7 +382,7 @@ fn fmt_number_or_null(v: f64) -> String {
 
 /// A structure for implementing serialization to JSON.
 pub struct Encoder<'a> {
-    writer: &'a mut io::Writer,
+    writer: &'a mut io::Writer+'a,
 }
 
 impl<'a> Encoder<'a> {
@@ -594,7 +594,7 @@ impl<'a> ::Encoder<io::IoError> for Encoder<'a> {
 /// Another encoder for JSON, but prints out human-readable JSON instead of
 /// compact data
 pub struct PrettyEncoder<'a> {
-    writer: &'a mut io::Writer,
+    writer: &'a mut io::Writer+'a,
     curr_indent: uint,
     indent: uint,
 }