diff --git a/engine/nsmservercontrol.py b/engine/nsmservercontrol.py
index 61af764..07a981c 100644
--- a/engine/nsmservercontrol.py
+++ b/engine/nsmservercontrol.py
@@ -515,9 +515,9 @@ class NsmServerControl(object):
 
     def _startNsmdOurselves(self, sessionRoot:str):
         assert self.nsmOSCUrl
-        hostname, port = self.nsmOSCUrl
+        hostname, port = self.nsmOSCUrl        
         if sessionRoot:
-            self.ourOwnServer = subprocess.Popen(["nsmd","--osc-port", str(port)], "--session-root", sessionRoot)
+            self.ourOwnServer = subprocess.Popen(["nsmd","--osc-port", str(port), "--session-root", sessionRoot])
         else:
             self.ourOwnServer = subprocess.Popen(["nsmd","--osc-port", str(port)])