diff --git a/Cargo.lock b/Cargo.lock
index c8b0964d..d7c0c4d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -266,9 +266,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
 [[package]]
 name = "cbc"
@@ -2147,9 +2147,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.8"
+version = "0.103.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ffdfa2f5286e2247234e03f680868ac2815974dc39e00ea15adc445d0aafe52"
+checksum = "df33b2b81ac578cabaf06b89b0631153a3f416b0a886e8a7a1707fb51abbd1ef"
 dependencies = [
  "ring",
  "rustls-pki-types",
diff --git a/src/bin/rbw/actions.rs b/src/bin/rbw/actions.rs
index a0a34e8c..2a421d48 100644
--- a/src/bin/rbw/actions.rs
+++ b/src/bin/rbw/actions.rs
@@ -189,6 +189,40 @@ fn wait_for_exit(pid: rustix::process::Pid) {
 
 fn get_environment() -> rbw::protocol::Environment {
     let tty = std::env::var_os("RBW_TTY").or_else(|| {
+        // Check if stdin is actually a terminal before attempting to get its path
+        if !is_terminal::is_terminal(std::io::stdin()) {
+            return None;
+        }
+
+        // On macOS, ttyname_r can be extremely slow (taking seconds instead of milliseconds)
+        // as reported in https://github.com/doy/rbw/issues/11
+        // Use fcntl with F_GETPATH instead, which is much faster
+        #[cfg(target_os = "macos")]
+        {
+            use std::os::fd::AsRawFd;
+            // PATH_MAX is typically 1024 on macOS, use a reasonable constant
+            const PATH_BUF_SIZE: usize = 1024;
+
+            let fd = std::io::stdin().as_raw_fd();
+            let mut buf = [0u8; PATH_BUF_SIZE];
+            // F_GETPATH = 50 on macOS - gets the path of a file descriptor
+            let ret = unsafe { libc::fcntl(fd, 50, buf.as_mut_ptr()) };
+            if ret != -1 {
+                // Find the null terminator
+                if let Some(len) = buf.iter().position(|&b| b == 0) {
+                    if len > 0 {
+                        let path_bytes = &buf[..len];
+                        if let Ok(path_str) = std::str::from_utf8(path_bytes)
+                        {
+                            return Some(std::ffi::OsString::from(path_str));
+                        }
+                    }
+                }
+            }
+        }
+
+        // For non-macOS platforms, or if the macOS-specific approach failed,
+        // use the standard ttyname approach
         rustix::termios::ttyname(std::io::stdin(), vec![])
             .ok()
             .map(|p| std::ffi::OsString::from_vec(p.as_bytes().to_vec()))