diff --git a/core/mac/src/sys/legacy/src/utils/src/parser_api.c b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
index f9100c3d0228..06eba68603ba 100644
--- a/core/mac/src/sys/legacy/src/utils/src/parser_api.c
+++ b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
@@ -6524,6 +6524,7 @@ QDF_STATUS populate_dot11f_twt_extended_caps(struct mac_context *mac_ctx,
 
 	dot11f->num_bytes = DOT11F_IE_EXTCAP_MAX_LEN;
 	p_ext_cap = (struct s_ext_cap *)dot11f->bytes;
+	dot11f->present = 1;
 
 	if (pe_session->opmode == QDF_STA_MODE)
 		p_ext_cap->twt_requestor_support =
@@ -6536,6 +6537,10 @@ QDF_STATUS populate_dot11f_twt_extended_caps(struct mac_context *mac_ctx,
 			mac_ctx->mlme_cfg->twt_cfg.res_flag;
 
 	dot11f->num_bytes = lim_compute_ext_cap_ie_length(dot11f);
+	if (!dot11f->num_bytes) {
+		dot11f->present = 0;
+		pe_debug("ext ie length become 0, disable the ext caps");
+	}
 
 	return QDF_STATUS_SUCCESS;
 }
@@ -6551,6 +6556,7 @@ QDF_STATUS populate_dot11f_btm_extended_caps(struct mac_context *mac_ctx,
 	pe_debug("enter");
 	dot11f->num_bytes = DOT11F_IE_EXTCAP_MAX_LEN;
 	p_ext_cap = (struct s_ext_cap *)dot11f->bytes;
+	dot11f->present = 1;
 
 	status = cm_akm_roam_allowed(mac_ctx, pe_session->vdev_id);
 	if (QDF_IS_STATUS_ERROR(status)) {
@@ -6559,6 +6565,10 @@ QDF_STATUS populate_dot11f_btm_extended_caps(struct mac_context *mac_ctx,
 	}
 
 	dot11f->num_bytes = lim_compute_ext_cap_ie_length(dot11f);
+	if (!dot11f->num_bytes) {
+		dot11f->present = 0;
+		pe_debug("ext ie length become 0, disable the ext caps");
+	}
 
 	return QDF_STATUS_SUCCESS;
 }