diff --git a/eive_tmtc/tmtc/payload/ploc_mpsoc.py b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
index 14081a8..f9df4d4 100644
--- a/eive_tmtc/tmtc/payload/ploc_mpsoc.py
+++ b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
@@ -371,7 +371,7 @@ def prepare_flash_read_cmd(object_id: bytes) -> bytearray:
     mpsoc_file = get_mpsoc_file(MPSOC_READ_FILE_DICT)
     obc_file = get_obc_file(OBC_READ_FILE_DICT)
     cmd = prepare_flash_base_cmd(
-        mpsoc_file, obc_file, ActionId.TC_FLASH_READ_FULL_FILE, object_id
+        obc_file, mpsoc_file, ActionId.TC_FLASH_READ_FULL_FILE, object_id
     )
     file_size = get_mpsoc_file_size()
     cmd.extend(struct.pack("!I", file_size))