diff --git a/include/ipc_handler.h b/include/ipc_handler.h
index 8f326ac..27c3a0e 100644
--- a/include/ipc_handler.h
+++ b/include/ipc_handler.h
@@ -63,7 +63,7 @@
 	IPC_CMD9_FUNLINK             = CMD_ID(25) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
 	IPC_CMD9_FVERIFY_NAND_IMG    = CMD_ID(26) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
 	IPC_CMD9_FSET_NAND_PROT      = CMD_ID(27) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
-	IPC_CMD9_WRITE_FIRM_PART     = CMD_ID(28) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
+	IPC_CMD9_WRITE_FIRM_PART     = CMD_ID(28) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
 	IPC_CMD9_LOAD_VERIFY_FIRM    = CMD_ID(29) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(1),
 	IPC_CMD9_FIRM_LAUNCH         = CMD_ID(30) | CMD_IN_BUFS(0)  | CMD_OUT_BUFS(0)  | CMD_PARAMS(0),
 	IPC_CMD9_LOAD_VERIFY_UPDATE  = CMD_ID(31) | CMD_IN_BUFS(1)  | CMD_OUT_BUFS(1)  | CMD_PARAMS(0),