diff --git a/ptyd/src/controlterm.rs b/ptyd/src/controlterm.rs
index 95b09536a8..df42314c5f 100644
--- a/ptyd/src/controlterm.rs
+++ b/ptyd/src/controlterm.rs
@@ -37,10 +37,7 @@ impl Resource for PtyControlTerm {
     }
 
     fn path(&mut self, buf: &mut [u8]) -> Result<usize> {
-        FpathWriter::with(buf, "pty", |w| {
-            write!(w, "ptmx").unwrap();
-            Ok(())
-        })
+        self.pty.borrow_mut().path(buf)
     }
 
     fn read(&mut self, buf: &mut [u8]) -> Result<usize> {