diff --git a/src/serialport_unix.cpp b/src/serialport_unix.cpp
index 261342a0..47299abb 100644
--- a/src/serialport_unix.cpp
+++ b/src/serialport_unix.cpp
@@ -396,7 +396,7 @@ void SetBaton::Execute() {
     result = ioctl(fd, TIOCCBRK, NULL);
   }
 
-  if (-1 == result) {
+  if (-1 == result && errno != EOPNOTSUPP) {
     snprintf(errorString, sizeof(errorString), "Error: %s, cannot set", strerror(errno));
     this->SetError(errorString);
     return;