diff --git a/pythonlib/camoufox/server.py b/pythonlib/camoufox/server.py
index 0f9b856..d3e7b23 100644
--- a/pythonlib/camoufox/server.py
+++ b/pythonlib/camoufox/server.py
@@ -63,13 +63,12 @@ def launch_server(**kwargs) -> NoReturn:
         stdin=subprocess.PIPE,
         text=True,
     )
-    # Write data to stdin and close the stream
-    if process.stdin:
-        process.stdin.write(base64.b64encode(data).decode())
-        process.stdin.close()
-
-    # Wait forever
-    process.wait()
+    # Write data to stdin, close the stream, and wait forever.
+    # communicate() tolerates the pipe closing early if the server exits before reading
+    # its config, keeping that error visible instead of masking it with an OSError.
+    process.communicate(input=base64.b64encode(data).decode())
 
     # Add an explicit return statement to satisfy the NoReturn type hint
-    raise RuntimeError("Server process terminated unexpectedly")
+    raise RuntimeError(
+        f"Server process terminated unexpectedly with exit code {process.returncode}"
+    )