diff --git a/src/cmd/compile/internal/gc/go.go b/src/cmd/compile/internal/gc/go.go
index cd9db38..ec7e219 100644
--- a/src/cmd/compile/internal/gc/go.go
+++ b/src/cmd/compile/internal/gc/go.go
@@ -133,7 +133,7 @@
 
 var outfile string
 
-var bout *bio.Buf
+var bout *bio.Writer
 
 var nerrors int
 
@@ -288,7 +288,7 @@
 
 var writearchive int
 
-var bstdout *bio.Buf
+var bstdout *bio.Writer
 
 var Nacl bool