diff --git a/src/libcore/pipes.rs b/src/libcore/pipes.rs
index 7ccba553ee7..0ef30668dbc 100644
--- a/src/libcore/pipes.rs
+++ b/src/libcore/pipes.rs
@@ -132,7 +132,7 @@ pub struct BufferHeader {
     // thing along.
 }
 
-pub fn BufferHeader() -> BufferHeader{
+pub fn BufferHeader() -> BufferHeader {
     BufferHeader {
         ref_count: 0
     }