diff --git a/fw/htc_services.h b/fw/htc_services.h
index ce2fcf85a2ff..50d57596a0b0 100644
--- a/fw/htc_services.h
+++ b/fw/htc_services.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012, 2014-2017, 2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -61,7 +61,10 @@ typedef enum {
 #define WMI_CONTROL_SVC_WMAC2  MAKE_SERVICE_ID(WMI_SERVICE_GROUP,6)
 #define WMI_CONTROL_DIAG_SVC   MAKE_SERVICE_ID(WMI_SERVICE_GROUP,7)
 #define WMI_CONTROL_DBR_SVC    MAKE_SERVICE_ID(WMI_SERVICE_GROUP,8)
-#define WMI_MAX_SERVICES  9
+/* WMI_CONTROL_SVC_WMAC3,4: WMI service for MACs 3 and 4 (where applicable) */
+#define WMI_CONTROL_SVC_WMAC3  MAKE_SERVICE_ID(WMI_SERVICE_GROUP,9)
+#define WMI_CONTROL_SVC_WMAC4  MAKE_SERVICE_ID(WMI_SERVICE_GROUP,10)
+#define WMI_MAX_SERVICES  11
 
 #define NMI_CONTROL_SVC   MAKE_SERVICE_ID(NMI_SERVICE_GROUP,0)
 #define NMI_DATA_SVC      MAKE_SERVICE_ID(NMI_SERVICE_GROUP,1)