1 files changed, 1 insertions, 2 deletions

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index e3d43249d81..6f45ee00b78 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -63,8 +63,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
         close (fd);                                     \
         return -1;                                      \
       }                                                 \
-    strncpy (pty_name, ptyname, sizeof (pty_name));     \
-    pty_name[sizeof (pty_name) - 1] = 0;                \
+    snprintf (pty_name, sizeof pty_name, "%s", ptyname); \
     sigunblock (sigmask (SIGCHLD));                     \
   }