diff --git a/js/backup_restore.js b/js/backup_restore.js
index 717e67ef..fb0cd6c4 100644
--- a/js/backup_restore.js
+++ b/js/backup_restore.js
@@ -594,6 +594,16 @@ function configuration_restore(callback) {
             appliedMigrationsCount++;
         }
 
+        if (compareVersions(migratedVersion, '1.2.0')) {
+            // old version of the configurator incorrectly had a 'disabled' option for GPS SBAS mode.
+            if (MISC.gps_ubx_sbas < 0) {
+                MISC.gps_ubx_sbas = 0;
+            }
+            migratedVersion = '1.2.0';
+
+            appliedMigrationsCount++;
+        }
+
         if (appliedMigrationsCount > 0) {
             GUI.log(chrome.i18n.getMessage('configMigrationSuccessful', [appliedMigrationsCount]));
         }        
diff --git a/tabs/configuration.js b/tabs/configuration.js
index dc35c38b..12fd1b1c 100644
--- a/tabs/configuration.js
+++ b/tabs/configuration.js
@@ -256,7 +256,6 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
         ];
 
         var gpsSbas = [
-            'Disabled',
             'Auto-detect',
             'European EGNOS',
             'North American WAAS',
@@ -295,7 +294,7 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
         
         var gps_ubx_sbas_e = $('select.gps_ubx_sbas');
         for (var i = 0; i < gpsSbas.length; i++) {
-            gps_ubx_sbas_e.append('<option value="' + (i - 1) + '">' + gpsSbas[i] + '</option>');
+            gps_ubx_sbas_e.append('<option value="' + i + '">' + gpsSbas[i] + '</option>');
         }
 
         gps_ubx_sbas_e.change(function () {