diff --git a/src/Pty.zig b/src/Pty.zig
index 5025cacf3..b2c7580de 100644
--- a/src/Pty.zig
+++ b/src/Pty.zig
@@ -19,6 +19,12 @@ const c = switch (builtin.os.tag) {
     }),
 };
 
+// https://github.com/ziglang/zig/issues/13277
+// Once above is fixed, use `c.TIOCSCTTY`
+const TIOCSCTTY = if (builtin.os.tag == .macos) 536900705 else c.TIOCSCTTY;
+const TIOCSWINSZ = if (builtin.os.tag == .macos) 2148037735 else c.TIOCSWINSZ;
+const TIOCGWINSZ = if (builtin.os.tag == .macos) 1074295912 else c.TIOCGWINSZ;
+
 /// Redeclare this winsize struct so we can just use a Zig struct. This
 /// layout should be correct on all tested platforms.
 const winsize = extern struct {
@@ -64,7 +70,7 @@ pub fn deinit(self: *Pty) void {
 /// Return the size of the pty.
 pub fn getSize(self: Pty) !winsize {
     var ws: winsize = undefined;
-    if (c.ioctl(self.master, c.TIOCGWINSZ, @ptrToInt(&ws)) < 0)
+    if (c.ioctl(self.master, TIOCGWINSZ, @ptrToInt(&ws)) < 0)
         return error.IoctlFailed;
 
     return ws;
@@ -72,7 +78,7 @@ pub fn getSize(self: Pty) !winsize {
 
 /// Set the size of the pty.
 pub fn setSize(self: Pty, size: winsize) !void {
-    if (c.ioctl(self.master, c.TIOCSWINSZ, @ptrToInt(&size)) < 0)
+    if (c.ioctl(self.master, TIOCSWINSZ, @ptrToInt(&size)) < 0)
         return error.IoctlFailed;
 }
 
@@ -83,7 +89,7 @@ pub fn childPreExec(self: Pty) !void {
     if (setsid() < 0) return error.ProcessGroupFailed;
 
     // Set controlling terminal
-    if (c.ioctl(self.slave, c.TIOCSCTTY, @as(c_ulong, 0)) < 0)
+    if (c.ioctl(self.slave, TIOCSCTTY, @as(c_ulong, 0)) < 0)
         return error.SetControllingTerminalFailed;
 
     // Can close master/slave pair now