diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index a52328c..e4d0412 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -20,6 +20,7 @@
 #define WPA_SUPPLICANT_DRIVER_VERSION 4
 
 #include "common/defs.h"
+#include "common/ieee802_11_defs.h"
 #include "utils/list.h"
 
 #define HOSTAPD_CHAN_DISABLED 0x00000001
@@ -341,7 +342,7 @@
 	 * is not needed anymore.
 	 */
 	struct wpa_driver_scan_filter {
-		u8 ssid[32];
+		u8 ssid[SSID_MAX_LEN];
 		size_t ssid_len;
 	} *filter_ssids;
 
diff --git a/src/drivers/driver_hostap.h b/src/drivers/driver_hostap.h
index a9d3e76..4c1e6d6 100644
--- a/src/drivers/driver_hostap.h
+++ b/src/drivers/driver_hostap.h
@@ -192,7 +192,7 @@
 		} mlme;
 		struct {
 			u8 ssid_len;
-			u8 ssid[32];
+			u8 ssid[SSID_MAX_LEN];
 		} scan_req;
 	} u;
 };
diff --git a/src/drivers/driver_ndis.c b/src/drivers/driver_ndis.c
index 4953af6..669f1b8 100644
--- a/src/drivers/driver_ndis.c
+++ b/src/drivers/driver_ndis.c
@@ -709,11 +709,11 @@
 /* Disconnect by setting SSID to random (i.e., likely not used). */
 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
 {
-	char ssid[32];
+	char ssid[SSID_MAX_LEN];
 	int i;
-	for (i = 0; i < 32; i++)
+	for (i = 0; i < SSID_MAX_LEN; i++)
 		ssid[i] = rand() & 0xff;
-	return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, 32);
+	return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, SSID_MAX_LEN);
 }
 
 
@@ -806,7 +806,7 @@
 	if (wpa_scan_get_ie(r, WLAN_EID_SSID))
 		return r; /* SSID IE already present */
 
-	if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
+	if (ssid->SsidLength == 0 || ssid->SsidLength > SSID_MAX_LEN)
 		return r; /* No valid SSID inside scan data */
 
 	nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
diff --git a/src/drivers/driver_nl80211.h b/src/drivers/driver_nl80211.h
index 64c4665..b5071b4 100644
--- a/src/drivers/driver_nl80211.h
+++ b/src/drivers/driver_nl80211.h
@@ -110,7 +110,7 @@
 	u8 bssid[ETH_ALEN];
 	u8 prev_bssid[ETH_ALEN];
 	int associated;
-	u8 ssid[32];
+	u8 ssid[SSID_MAX_LEN];
 	size_t ssid_len;
 	enum nl80211_iftype nlmode;
 	enum nl80211_iftype ap_scan_as_station;
@@ -169,7 +169,7 @@
 	/* From failed authentication command */
 	int auth_freq;
 	u8 auth_bssid_[ETH_ALEN];
-	u8 auth_ssid[32];
+	u8 auth_ssid[SSID_MAX_LEN];
 	size_t auth_ssid_len;
 	int auth_alg;
 	u8 *auth_ie;
diff --git a/src/drivers/driver_privsep.c b/src/drivers/driver_privsep.c
index de23fbd..26d2bab 100644
--- a/src/drivers/driver_privsep.c
+++ b/src/drivers/driver_privsep.c
@@ -281,14 +281,15 @@
 {
 	struct wpa_driver_privsep_data *drv = priv;
 	int res, ssid_len;
-	u8 reply[sizeof(int) + 32];
+	u8 reply[sizeof(int) + SSID_MAX_LEN];
 	size_t len = sizeof(reply);
 
 	res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SSID, NULL, 0, reply, &len);
 	if (res < 0 || len < sizeof(int))
 		return -1;
 	os_memcpy(&ssid_len, reply, sizeof(int));
-	if (ssid_len < 0 || ssid_len > 32 || sizeof(int) + ssid_len > len) {
+	if (ssid_len < 0 || ssid_len > SSID_MAX_LEN ||
+	    sizeof(int) + ssid_len > len) {
 		wpa_printf(MSG_DEBUG, "privsep: Invalid get SSID reply");
 		return -1;
 	}
diff --git a/src/drivers/driver_wext.c b/src/drivers/driver_wext.c
index 22e1184..01defdf 100644
--- a/src/drivers/driver_wext.c
+++ b/src/drivers/driver_wext.c
@@ -132,7 +132,7 @@
 	os_memset(&iwr, 0, sizeof(iwr));
 	os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
 	iwr.u.essid.pointer = (caddr_t) ssid;
-	iwr.u.essid.length = 32;
+	iwr.u.essid.length = SSID_MAX_LEN;
 
 	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
 		wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
@@ -140,8 +140,8 @@
 		ret = -1;
 	} else {
 		ret = iwr.u.essid.length;
-		if (ret > 32)
-			ret = 32;
+		if (ret > SSID_MAX_LEN)
+			ret = SSID_MAX_LEN;
 		/* Some drivers include nul termination in the SSID, so let's
 		 * remove it here before further processing. WE-21 changes this
 		 * to explicitly require the length _not_ to include nul
@@ -169,7 +169,7 @@
 	int ret = 0;
 	char buf[33];
 
-	if (ssid_len > 32)
+	if (ssid_len > SSID_MAX_LEN)
 		return -1;
 
 	os_memset(&iwr, 0, sizeof(iwr));
@@ -1199,7 +1199,7 @@
 	struct wpa_scan_res res;
 	u8 *ie;
 	size_t ie_len;
-	u8 ssid[32];
+	u8 ssid[SSID_MAX_LEN];
 	size_t ssid_len;
 	int maxrate;
 };
@@ -1952,7 +1952,7 @@
 {
 	struct iwreq iwr;
 	const u8 null_bssid[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
-	u8 ssid[32];
+	u8 ssid[SSID_MAX_LEN];
 	int i;
 
 	/*
@@ -1994,9 +1994,9 @@
 		 * SIOCSIWMLME commands (or tries to associate automatically
 		 * after deauth/disassoc).
 		 */
-		for (i = 0; i < 32; i++)
+		for (i = 0; i < SSID_MAX_LEN; i++)
 			ssid[i] = rand() & 0xFF;
-		if (wpa_driver_wext_set_ssid(drv, ssid, 32) < 0) {
+		if (wpa_driver_wext_set_ssid(drv, ssid, SSID_MAX_LEN) < 0) {
 			wpa_printf(MSG_DEBUG, "WEXT: Failed to set bogus "
 				   "SSID to disconnect");
 		}