diff --git a/dask_jobqueue/oar.py b/dask_jobqueue/oar.py
index 1d5defc8..43222cf6 100644
--- a/dask_jobqueue/oar.py
+++ b/dask_jobqueue/oar.py
@@ -71,7 +71,7 @@ def __init__(
 
         logger.debug("Job script: \n %s" % self.job_script())
 
-    def _submit_job(self, fn):
+    async def _submit_job(self, fn):
         # OAR specificity: the submission script needs to exist on the worker
         # when the job starts on the worker. This is different from other
         # schedulers that only need the script on the submission node at
diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index 38a4a1cc..28b3b956 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-Devlopment version
-------------------
+Development version
+-------------------
 
 - ``LSFCluster``: add ``use_stdin`` to ``LSFCluster``. This switches between
   ``bsub < job_script`` and ``bsub job_script`` to launch a ``LSF`` job
@@ -13,6 +13,7 @@ Devlopment version
   ``processes ~= sqrt(cores)`` so that the number of processes and the number
   of threads per process is roughly the same. Old default was to use one
   process and only threads, i.e. ``proccesses=1``, ``threads_per_process=cores``.
+- fix bug (forgotten async def) in ``OARCluster._submit_job`` (:pr:`380`).
 
 0.7.0 / 2019-10-09
 ------------------