diff --git a/src/unix/pty.cc b/src/unix/pty.cc
index 2c99536bd..ec5524f54 100644
--- a/src/unix/pty.cc
+++ b/src/unix/pty.cc
@@ -42,6 +42,9 @@
 #elif defined(__FreeBSD__)
 #include <libutil.h>
 #include <termios.h>
+#elif defined(__OpenBSD__)
+#include <util.h>
+#include <termios.h>
 #endif
 
 /* Some platforms name VWERASE and VDISCARD differently */