diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
index 335a77d1bd5..93c8c1c8197 100644
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -262,6 +262,8 @@ if hasattr(os, 'set_blocking'):
     def _set_nonblocking(fd):
         os.set_blocking(fd, False)
 else:
+    import fcntl
+
     def _set_nonblocking(fd):
         flags = fcntl.fcntl(fd, fcntl.F_GETFL)
         flags = flags | os.O_NONBLOCK