diff --git a/dask_jobqueue/pbs.py b/dask_jobqueue/pbs.py
index cf634cbd..68eaf2f3 100644
--- a/dask_jobqueue/pbs.py
+++ b/dask_jobqueue/pbs.py
@@ -83,7 +83,7 @@ def __init__(self,
 #PBS -l walltime=%(walltime)s
 #PBS -j oe
 
-%(base_path)s/dask-worker %(scheduler)s \
+"%(base_path)s/dask-worker" %(scheduler)s \
     --nthreads %(threads_per_worker)d \
     --nprocs %(processes)s \
     --memory-limit %(memory)s \
diff --git a/dask_jobqueue/slurm.py b/dask_jobqueue/slurm.py
index 8828239d..631efffc 100644
--- a/dask_jobqueue/slurm.py
+++ b/dask_jobqueue/slurm.py
@@ -87,7 +87,7 @@ def __init__(self,
 export LANGUAGE="en_US.utf8"
 export LC_ALL="en_US.utf8"
 
-%(base_path)s/dask-worker %(scheduler)s \
+"%(base_path)s/dask-worker" %(scheduler)s \
     --nthreads %(threads_per_worker)d \
     --nprocs %(processes)s \
     --memory-limit %(memory)s \