diff --git a/openstack_workload_generator b/openstack_workload_generator
index 22ef37a..7354904 100755
--- a/openstack_workload_generator
+++ b/openstack_workload_generator
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-rundir="$(dirname $(readlink -f $0))"
+rundir="$(dirname "$(readlink -f "$0")")"
 cd "$rundir" || exit 1
 
 modification_time(){