diff --git a/src/plugins/maps_legacy/public/common/constants/index.ts b/src/plugins/maps_legacy/public/common/constants/index.ts
new file mode 100644
index 00000000000000..8e677942b8bce0
--- /dev/null
+++ b/src/plugins/maps_legacy/public/common/constants/index.ts
@@ -0,0 +1,22 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+export const TMS_IN_YML_ID = 'TMS in config/kibana.yml';
+
+export { ORIGIN } from './origin';
diff --git a/src/plugins/maps_legacy/public/index.ts b/src/plugins/maps_legacy/public/index.ts
index 84edce6dbf8e97..5b70d861900f91 100644
--- a/src/plugins/maps_legacy/public/index.ts
+++ b/src/plugins/maps_legacy/public/index.ts
@@ -53,7 +53,7 @@ export {
 
 export * from '../common';
 export * from './common/types';
-export { ORIGIN } from './common/constants/origin';
+export { ORIGIN, TMS_IN_YML_ID } from './common/constants';
 
 export { WmsOptions } from './components/wms_options';
 export { LegacyMapDeprecationMessage } from './components/legacy_map_deprecation_message';
diff --git a/src/plugins/maps_legacy/public/map/service_settings.js b/src/plugins/maps_legacy/public/map/service_settings.js
index 7a00456b89a92e..8f0cb81576b2e6 100644
--- a/src/plugins/maps_legacy/public/map/service_settings.js
+++ b/src/plugins/maps_legacy/public/map/service_settings.js
@@ -22,9 +22,7 @@ import MarkdownIt from 'markdown-it';
 import { EMSClient } from '@elastic/ems-client';
 import { i18n } from '@kbn/i18n';
 import { getKibanaVersion } from '../kibana_services';
-import { ORIGIN } from '../common/constants/origin';
-
-const TMS_IN_YML_ID = 'TMS in config/kibana.yml';
+import { ORIGIN, TMS_IN_YML_ID } from '../common/constants';
 
 export class ServiceSettings {
   constructor(mapConfig, tilemapsConfig) {
diff --git a/src/plugins/vis_type_vega/public/services.ts b/src/plugins/vis_type_vega/public/services.ts
index 43856c83248477..8d8a0e27ec2255 100644
--- a/src/plugins/vis_type_vega/public/services.ts
+++ b/src/plugins/vis_type_vega/public/services.ts
@@ -45,4 +45,3 @@ export const [getMapsLegacyConfig, setMapsLegacyConfig] = createGetterSetter<Map
 );
 
 export const getEnableExternalUrls = () => getInjectedVars().enableExternalUrls;
-export const getEmsTileLayerId = () => getMapsLegacyConfig().emsTileLayerId;
diff --git a/src/plugins/vis_type_vega/public/vega_view/vega_map_view.js b/src/plugins/vis_type_vega/public/vega_view/vega_map_view.js
index d925aaeeced66b..ce3cd1549b0c9e 100644
--- a/src/plugins/vis_type_vega/public/vega_view/vega_map_view.js
+++ b/src/plugins/vis_type_vega/public/vega_view/vega_map_view.js
@@ -21,41 +21,65 @@ import { i18n } from '@kbn/i18n';
 import { vega } from '../lib/vega';
 import { VegaBaseView } from './vega_base_view';
 import { VegaMapLayer } from './vega_map_layer';
-import { getEmsTileLayerId, getUISettings } from '../services';
-import { lazyLoadMapsLegacyModules } from '../../../maps_legacy/public';
+import { getMapsLegacyConfig, getUISettings } from '../services';
+import { lazyLoadMapsLegacyModules, TMS_IN_YML_ID } from '../../../maps_legacy/public';
+
+const isUserConfiguredTmsLayer = ({ tilemap }) => Boolean(tilemap.url);
 
 export class VegaMapView extends VegaBaseView {
   constructor(opts) {
     super(opts);
   }
 
+  async getMapStyleOptions() {
+    const isDarkMode = getUISettings().get('theme:darkMode');
+    const mapsLegacyConfig = getMapsLegacyConfig();
+    const tmsServices = await this._serviceSettings.getTMSServices();
+    const mapConfig = this._parser.mapConfig;
+
+    let mapStyle;
+
+    if (mapConfig.mapStyle !== 'default') {
+      mapStyle = mapConfig.mapStyle;
+    } else {
+      if (isUserConfiguredTmsLayer(mapsLegacyConfig)) {
+        mapStyle = TMS_IN_YML_ID;
+      } else {
+        mapStyle = mapsLegacyConfig.emsTileLayerId.bright;
+      }
+    }
+
+    const mapOptions = tmsServices.find((s) => s.id === mapStyle);
+
+    if (!mapOptions) {
+      this.onWarn(
+        i18n.translate('visTypeVega.mapView.mapStyleNotFoundWarningMessage', {
+          defaultMessage: '{mapStyleParam} was not found',
+          values: { mapStyleParam: `"mapStyle":${mapStyle}` },
+        })
+      );
+      return null;
+    }
+
+    return {
+      ...mapOptions,
+      ...(await this._serviceSettings.getAttributesForTMSLayer(mapOptions, true, isDarkMode)),
+    };
+  }
+
   async _initViewCustomizations() {
     const mapConfig = this._parser.mapConfig;
     let baseMapOpts;
     let limitMinZ = 0;
     let limitMaxZ = 25;
 
+    // In some cases, Vega may be initialized twice, e.g. after awaiting...
+    if (!this._$container) return;
+
     if (mapConfig.mapStyle !== false) {
-      const tmsServices = await this._serviceSettings.getTMSServices();
-      // In some cases, Vega may be initialized twice, e.g. after awaiting...
-      if (!this._$container) return;
-      const emsTileLayerId = getEmsTileLayerId();
-      const mapStyle =
-        mapConfig.mapStyle === 'default' ? emsTileLayerId.bright : mapConfig.mapStyle;
-      const isDarkMode = getUISettings().get('theme:darkMode');
-      baseMapOpts = tmsServices.find((s) => s.id === mapStyle);
-      baseMapOpts = {
-        ...baseMapOpts,
-        ...(await this._serviceSettings.getAttributesForTMSLayer(baseMapOpts, true, isDarkMode)),
-      };
-      if (!baseMapOpts) {
-        this.onWarn(
-          i18n.translate('visTypeVega.mapView.mapStyleNotFoundWarningMessage', {
-            defaultMessage: '{mapStyleParam} was not found',
-            values: { mapStyleParam: `"mapStyle": ${JSON.stringify(mapStyle)}` },
-          })
-        );
-      } else {
+      baseMapOpts = await this.getMapStyleOptions();
+
+      if (baseMapOpts) {
         limitMinZ = baseMapOpts.minZoom;
         limitMaxZ = baseMapOpts.maxZoom;
       }