diff --git a/src/lvmnps/actor/commands/scripts.py b/src/lvmnps/actor/commands/scripts.py
index 8b67c46..002f009 100644
--- a/src/lvmnps/actor/commands/scripts.py
+++ b/src/lvmnps/actor/commands/scripts.py
@@ -26,7 +26,7 @@ def validate_nps(command: NPSCommand):
     """Checks that the NPS implements scripting."""
 
     nps = command.actor.nps
-    print(nps.implementations.get("scripting"))
+
     if nps.implementations.get("scripting", False) is False:
         command.fail("Scripting not allowed for this NPS.")
         return False
diff --git a/src/lvmnps/nps/implementations/dli.py b/src/lvmnps/nps/implementations/dli.py
index 2799e40..5bea9ee 100644
--- a/src/lvmnps/nps/implementations/dli.py
+++ b/src/lvmnps/nps/implementations/dli.py
@@ -8,6 +8,7 @@
 
 from __future__ import annotations
 
+import asyncio
 import warnings
 
 import httpx
@@ -44,9 +45,13 @@ class APIClient:
     def __post_init__(self):
         self.client: httpx.AsyncClient | None = None
 
+        self.lock = asyncio.Lock()
+
     async def __aenter__(self):
         """Yields a new client."""
 
+        await self.lock.acquire()
+
         log.debug(f"Creating async client to {self.base_url!r} with digest.")
 
         auth = httpx.DigestAuth(self.user, self.password.get_secret_value())
@@ -61,6 +66,8 @@ async def __aenter__(self):
     async def __aexit__(self, exc_type, exc, tb):
         """Closes the client."""
 
+        self.lock.release()
+
         if self.client and not self.client.is_closed:
             log.debug("Closing async client.")
             await self.client.aclose()