diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 7e074577abe0..07932d0b6b1a 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -21444,7 +21444,10 @@ typedef struct {
     /** TLV tag and len; tag equals
      * WMITLV_TAG_STRUC_wmi_pdev_get_nfcal_power_fixed_param */
     A_UINT32 tlv_header;
-    /* Currently there are no parameters for this message. */
+    /** pdev_id for identifying the MAC
+     * See macros starting with WMI_PDEV_ID_ for values.
+     */
+    A_UINT32 pdev_id;
 } wmi_pdev_get_nfcal_power_fixed_param;
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index d8a0371cd938..7905e5f588ba 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 499
+#define __WMI_REVISION_ 500
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work