diff --git a/src/sys/ptrace.rs b/src/sys/ptrace.rs
index bf6ee8bb82..735092e6a4 100644
--- a/src/sys/ptrace.rs
+++ b/src/sys/ptrace.rs
@@ -79,7 +79,7 @@ pub fn ptrace(request: ptrace::PtraceRequest, pid: pid_t, addr: *mut c_void, dat
 
     match request {
         PTRACE_PEEKTEXT | PTRACE_PEEKDATA | PTRACE_PEEKUSER => ptrace_peek(request, pid, addr, data),
-        PTRACE_GETSIGINFO | PTRACE_GETEVENTMSG | PTRACE_SETSIGINFO | PTRACE_SETOPTIONS => Err(Error::UnsupportedOperation),
+        PTRACE_GETSIGINFO | PTRACE_GETEVENTMSG | PTRACE_SETSIGINFO => Err(Error::UnsupportedOperation),
         _ => ptrace_other(request, pid, addr, data)
     }
 }