diff --git a/src/classes/base-sync.ts b/src/classes/base-sync.ts
index 2d1106973..f4a2bb436 100644
--- a/src/classes/base-sync.ts
+++ b/src/classes/base-sync.ts
@@ -243,7 +243,7 @@ export class CoreSyncBaseProvider {
         if (!siteId) {
             // No site ID defined, sync all sites.
             this.logger.debug(`Try to sync '${syncFunctionLog}' in all sites.`);
-            promise = this.sitesProvider.getSitesIds();
+            promise = this.sitesProvider.getLoggedInSitesIds();
         } else {
             this.logger.debug(`Try to sync '${syncFunctionLog}' in site '${siteId}'.`);
             promise = Promise.resolve([siteId]);
diff --git a/src/providers/sites.ts b/src/providers/sites.ts
index 759b89372..9ae995e8b 100644
--- a/src/providers/sites.ts
+++ b/src/providers/sites.ts
@@ -1050,6 +1050,19 @@ export class CoreSitesProvider {
         });
     }
 
+    /**
+     * Get the list of IDs of sites stored and not logged out.
+     *
+     * @return {Promise<string[]>} Promise resolved when the sites IDs are retrieved.
+     */
+    getLoggedInSitesIds(): Promise<string[]> {
+        return this.appDB.getRecords(this.SITES_TABLE, {loggedOut : 0}).then((sites) => {
+            return sites.map((site) => {
+                return site.id;
+            });
+        });
+    }
+
     /**
      * Get the list of IDs of sites stored.
      *