diff --git a/core/sap/src/sap_module.c b/core/sap/src/sap_module.c
index 186b32745159..49f1894ee807 100644
--- a/core/sap/src/sap_module.c
+++ b/core/sap/src/sap_module.c
@@ -1232,9 +1232,15 @@ wlansap_get_csa_chanwidth_from_phymode(struct sap_context *sap_context,
 				       struct ch_params *tgt_ch_params)
 {
 	enum phy_ch_width ch_width, concurrent_bw = 0;
-	struct mac_context *mac = sap_get_mac_context();
+	struct mac_context *mac;
 	struct ch_params ch_params = {0};
 
+	mac = sap_get_mac_context();
+	if (!mac) {
+		sap_err("Invalid MAC context");
+		return CH_WIDTH_20MHZ;
+	}
+
 	if (WLAN_REG_IS_24GHZ_CH_FREQ(chan_freq)) {
 		/*
 		 * currently OBSS scan is done in hostapd, so to avoid