diff --git a/src/cmd/go/version.go b/src/cmd/go/version.go
index 09e2f16334..a41f4a7361 100644
--- a/src/cmd/go/version.go
+++ b/src/cmd/go/version.go
@@ -21,5 +21,5 @@ func runVersion(cmd *Command, args []string) {
 		cmd.Usage()
 	}
 
-	fmt.Printf("go version %s\n", runtime.Version())
+	fmt.Printf("go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
 }