diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index a2dfe82f2c..085e287842 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -93,6 +93,7 @@
 #define WMI_MSEC_TO_USEC(msec)       (msec * 1000) /* msec to usec */
 #define WMI_NLO_FREQ_THRESH          1000       /* in MHz */
 
+#define WMI_SVC_MSG_MAX_SIZE   1536
 #define MAX_UTF_EVENT_LENGTH	2048
 #define MAX_WMI_UTF_LEN	252
 #define MAX_WMI_QVIT_LEN	252