bcom_set_val(skfd, ifname, "afterburner_override", &val, sizeof(val));
        
        /* Set other options */
-       val = atoi(nvram_safe_get(wl_var("lazywds")));
-       bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("frag")));
-       bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("dtim")));
-       bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("bcn")));
-       bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("rts")));
-       bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("antdiv")));
-       bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
-       val = atoi(nvram_safe_get(wl_var("txant")));
-       bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
+       if (v = nvram_get(wl_var("lazywds"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("frag"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("dtim"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("bcn"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("rts"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("antdiv"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
+       }
+       if (v = nvram_get(wl_var("txant"))) {
+               val = atoi(v);
+               bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
+       }
        
        val = nvram_enabled(wl_var("closed"));
        bcom_ioctl(skfd, ifname, WLC_SET_CLOSED, &val, sizeof(val));
        if (channel > 0) {
                wrq.u.freq.flags = IW_FREQ_FIXED;
                wrq.u.freq.m = channel;
+               IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
        }
-       IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
        
        /* Set operation mode */
        int ap = 0, infra = 0, wet = 0;