diff --git a/engine/nsmservercontrol.py b/engine/nsmservercontrol.py
index 599a959..918cac7 100644
--- a/engine/nsmservercontrol.py
+++ b/engine/nsmservercontrol.py
@@ -318,7 +318,7 @@ class NsmServerControl(object):
         #Deactivate hooks for now. During init no hooks may be called,
         #but some functions want to do that already. We setup the true hooks at the end of init
         self.sessionOpenReadyHook= self.sessionOpenLoadingHook= self.sessionClosedHook= self.clientStatusHook= self.singleInstanceActivateWindowHook= self.dataClientNamesHook= self.dataClientDescriptionHook= nothing
-        self.lockfile_directory = getenv("XDG_RUNTIME_DIR")
+        self.sessions_lockfile_directory = getenv("XDG_RUNTIME_DIR")
         self._queue = list() #Incoming OSC messages are buffered here.
 
         #Status variables that are set by our callbacks
@@ -1440,7 +1440,7 @@ class NsmServerControl(object):
         #session_name in Agordejo includes subdirs. We want only the basename, like in nsmd. Luckily they are paths.
         session_name = pathlib.Path(session_name).name #basename
         session_hash:int = self._simple_hash(full_absolute_session_path)
-        session_lock = pathlib.Path(self.lockfile_directory, "nsm", session_name + str(session_hash))
+        session_lock = pathlib.Path(self.sessions_lockfile_directory, "nsm", session_name + str(session_hash))
         return session_lock