diff --git a/deltachat2/transport.py b/deltachat2/transport.py
index c8b4a9c..a89994c 100644
--- a/deltachat2/transport.py
+++ b/deltachat2/transport.py
@@ -44,7 +44,7 @@ class IOTransport:
     def __init__(
         self,
         accounts_dir: Optional[str] = None,
-        rpc_executable: str = "deltachat-rpc-server",
+        rpc_executable: str = "@deltachatrpcserver@",
         **kwargs,
     ):
         """The given arguments will be passed to subprocess.Popen()"""