diff --git a/fs/vfs/fs_ioctl.c b/fs/vfs/fs_ioctl.c
index b55c9ed940f..5f549daad04 100644
--- a/fs/vfs/fs_ioctl.c
+++ b/fs/vfs/fs_ioctl.c
@@ -194,6 +194,12 @@ int nx_vioctl(int fd, int req, va_list ap)
                                nx_fcntl(fd, F_GETFL) & ~O_NONBLOCK);
               }
             break;
+          case FIOCLEX:
+            ret = nx_fcntl(fd, F_SETFD, FD_CLOEXEC);
+            break;
+          case FIONCLEX:
+            ret = nx_fcntl(fd, F_SETFD, 0);
+            break;
         }
     }
 
diff --git a/include/nuttx/fs/ioctl.h b/include/nuttx/fs/ioctl.h
index 42ccff79fbd..7397b96de9f 100644
--- a/include/nuttx/fs/ioctl.h
+++ b/include/nuttx/fs/ioctl.h
@@ -184,6 +184,12 @@
                                            * OUT: Integer that contains device
                                            *      minor number
                                            */
+#define FIOCLEX         _FIOC(0x000d)     /* IN:  None
+                                           * OUT: None
+                                           */
+#define FIONCLEX        _FIOC(0x000e)     /* IN:  None
+                                           * OUT: None
+                                           */
 
 /* NuttX file system ioctl definitions **************************************/