1 files changed, 2 insertions, 2 deletions
diff --git a/doc/progs/cat.go b/doc/progs/cat.go
index 1f6c0f9df..f0f534926 100644
--- a/doc/progs/cat.go
+++ b/doc/progs/cat.go
@@ -18,7 +18,7 @@ func cat(f *file.File) {
 		switch nr, er := f.Read(&buf); true {
 		case nr < 0:
 			fmt.Fprintf(os.Stderr, "error reading from %s: %s\n", f.String(), er.String());
-			sys.Exit(1);
+			os.Exit(1);
 		case nr == 0:  // EOF
 			return;
 		case nr > 0:
@@ -38,7 +38,7 @@ func main() {
 		f, err := file.Open(flag.Arg(i), 0, 0);
 		if f == nil {
 			fmt.Fprintf(os.Stderr, "can't open %s: error %s\n", flag.Arg(i), err);
-			sys.Exit(1);
+			os.Exit(1);
 		}
 		cat(f);
 		f.Close();