diff --git a/core/sap/src/sap_fsm.c b/core/sap/src/sap_fsm.c
index 57ac63943723..f7549900fd3f 100644
--- a/core/sap/src/sap_fsm.c
+++ b/core/sap/src/sap_fsm.c
@@ -2288,6 +2288,10 @@ static QDF_STATUS sap_goto_starting(struct sap_context *sap_ctx,
 			     eSAP_CHANNEL_CHANGE_EVENT,
 			     (void *)eSAP_STATUS_SUCCESS);
 	sap_dfs_set_current_channel(sap_ctx);
+	/* Reset radar found flag before start sap, the flag will
+	 * be set when radar found in CAC wait.
+	 */
+	mac_ctx->sap.SapDfsInfo.sap_radar_found_status = false;
 
 	sap_debug("session: %d", sap_ctx->sessionId);
 
@@ -2652,6 +2656,7 @@ static QDF_STATUS sap_fsm_state_starting(struct sap_context *sap_ctx,
 							       mac_handle);
 			} else {
 				sap_debug("skip cac timer");
+				mac_ctx->sap.SapDfsInfo.sap_radar_found_status = false;
 				/*
 				 * If hostapd starts AP on dfs channel,
 				 * hostapd will wait for CAC START/CAC END