diff --git a/andor-test/01_init_and_discover.py b/andor-test/01_init_and_discover.py
index dcad80e..9eb94c5 100644
--- a/andor-test/01_init_and_discover.py
+++ b/andor-test/01_init_and_discover.py
@@ -81,9 +81,11 @@ def test_init_and_discover():
     print("[3/4] Detecting connected cameras...")
     try:
         device_count = ctypes.c_longlong(0)
+        # Use ctypes.create_unicode_buffer for proper wide string handling
+        feature_name = ctypes.create_unicode_buffer("Device Count")
         ret = atcore.AT_GetInt(
             AT_HANDLE_SYSTEM,
-            "Device Count".encode('utf-16le') + b'\x00\x00',
+            feature_name,
             ctypes.byref(device_count)
         )