diff --git a/src/core/services/sites.ts b/src/core/services/sites.ts
index e76c54684..06c55682e 100644
--- a/src/core/services/sites.ts
+++ b/src/core/services/sites.ts
@@ -1487,6 +1487,11 @@ export class CoreSitesProvider {
         await CoreUtils.ignoreErrors(( async () => {
             const siteId = await this.getStoredCurrentSiteId();
             const site = await this.getSite(siteId);
+
+            if (!site.isVersionGreaterEqualThan('4.3')) {
+                return;
+            }
+
             const autoLogoutType = Number(site.getStoredConfig('tool_mobile_autologout'));
             const autoLogoutTime = Number(site.getStoredConfig('tool_mobile_autologouttime'));