diff --git a/core/mac/src/pe/include/lim_session.h b/core/mac/src/pe/include/lim_session.h
index 223e9acebfed..47aa22702de7 100644
--- a/core/mac/src/pe/include/lim_session.h
+++ b/core/mac/src/pe/include/lim_session.h
@@ -136,6 +136,9 @@ struct obss_detection_cfg {
  * @ap_ecsa_wakelock: wakelock to complete CSA operation.
  * @ap_ecsa_runtime_lock: runtime lock to complete SAP CSA operation.
  * to Adaptive 11R network
+ * @prev_auth_seq_num: Sequence number of previously received auth frame to
+ * detect duplicate frames.
+ * @prev_auth_mac_addr: mac_addr of the sta correspond to @prev_auth_seq_num
  */
 struct pe_session {
 	/* To check session table is in use or free */
@@ -548,6 +551,7 @@ struct pe_session {
 #endif
 	/* previous auth frame's sequence number */
 	uint16_t prev_auth_seq_num;
+	tSirMacAddr prev_auth_mac_addr;
 	struct obss_detection_cfg obss_offload_cfg;
 	struct obss_detection_cfg current_obss_detection;
 	bool is_session_obss_offload_enabled;
diff --git a/core/mac/src/pe/lim/lim_process_auth_frame.c b/core/mac/src/pe/lim/lim_process_auth_frame.c
index cce1bfd0396b..35bbdeebefb2 100644
--- a/core/mac/src/pe/lim/lim_process_auth_frame.c
+++ b/core/mac/src/pe/lim/lim_process_auth_frame.c
@@ -1319,14 +1319,17 @@ lim_process_auth_frame(struct mac_context *mac_ctx, uint8_t *rx_pkt_info,
 		(mac_hdr->seqControl.seqNumLo);
 
 	if (pe_session->prev_auth_seq_num == curr_seq_num &&
+	    !qdf_mem_cmp(pe_session->prev_auth_mac_addr, &mac_hdr->sa,
+			 ETH_ALEN) &&
 	    mac_hdr->fc.retry) {
 		pe_debug("auth frame, seq num: %d is already processed, drop it",
 			 curr_seq_num);
 		return;
 	}
 
-	/* save seq number in pe_session */
+	/* save seq number and mac_addr in pe_session */
 	pe_session->prev_auth_seq_num = curr_seq_num;
+	qdf_mem_copy(pe_session->prev_auth_mac_addr, mac_hdr->sa, ETH_ALEN);
 
 	body_ptr = WMA_GET_RX_MPDU_DATA(rx_pkt_info);