diff --git a/omnistat/omni_util.py b/omnistat/omni_util.py
index 27353b25..bae03bbc 100755
--- a/omnistat/omni_util.py
+++ b/omnistat/omni_util.py
@@ -183,7 +183,7 @@ def startExporters(self):
             logging.info("Launching exporters in parallel using pdsh")
 
             client = ParallelSSHClient(self.slurmHosts, allow_agent=False, timeout=120)
-            output = client.run_command(f"sh -c 'cd {self.topDir} && PYTHONPATH={':'.join(sys.path)} {cmd}")
+            output = client.run_command(f"sh -c 'cd {self.topDir} && PYTHONPATH={':'.join(sys.path)} {cmd}'")
 
             # verify exporter available on all nodes...
             psecs = 6