diff --git a/src/resources/triton_python_backend_utils.py b/src/resources/triton_python_backend_utils.py
index e2045429..53c661d5 100644
--- a/src/resources/triton_python_backend_utils.py
+++ b/src/resources/triton_python_backend_utils.py
@@ -85,7 +85,7 @@ def serialize_byte_tensor(input_tensor):
                     s = str(obj.item()).encode('utf-8')
             else:
                 s = obj.item()
-            flattened_ls.append(struct.pack("<I", len(s)))
+            flattened_ls.append(struct.pack("@I", len(s)))
             flattened_ls.append(s)
         flattened = b''.join(flattened_ls)
         return flattened
@@ -112,9 +112,9 @@ def deserialize_bytes_tensor(encoded_tensor):
     offset = 0
     val_buf = encoded_tensor
     while offset < len(val_buf):
-        l = struct.unpack_from("<I", val_buf, offset)[0]
+        l = struct.unpack_from("@I", val_buf, offset)[0]
         offset += 4
-        sb = struct.unpack_from("<{}s".format(l), val_buf, offset)[0]
+        sb = struct.unpack_from("@{}s".format(l), val_buf, offset)[0]
         offset += l
         strs.append(sb)
     return (np.array(strs, dtype=np.object_))