diff --git a/src/core/directives/format-text.ts b/src/core/directives/format-text.ts
index 94ed7d5eb..090603386 100644
--- a/src/core/directives/format-text.ts
+++ b/src/core/directives/format-text.ts
@@ -449,7 +449,7 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncCompo
      * @param site Site instance.
      * @return Promise resolved when done.
      */
-    protected async treatHTMLElements(div: HTMLElement, site?: CoreSite): Promise<void> {
+    protected treatHTMLElements(div: HTMLElement, site?: CoreSite): void {
         const images = Array.from(div.querySelectorAll('img'));
         const anchors = Array.from(div.querySelectorAll('a'));
         const audios = Array.from(div.querySelectorAll('audio'));
@@ -560,7 +560,8 @@ export class CoreFormatTextDirective implements OnChanges, OnDestroy, AsyncCompo
             promises.push(CoreUtils.ignoreErrors(CoreUtils.timeoutPromise(promise, 5000)));
         }
 
-        await Promise.all(promises);
+        // Run asynchronous operations in the background to avoid blocking rendering.
+        Promise.all(promises).catch(error => CoreUtils.logUnhandledError('Error treating format-text elements', error));
     }
 
     /**
diff --git a/src/core/services/utils/utils.ts b/src/core/services/utils/utils.ts
index b312ce0ad..3bb84933a 100644
--- a/src/core/services/utils/utils.ts
+++ b/src/core/services/utils/utils.ts
@@ -139,6 +139,16 @@ export class CoreUtilsProvider {
         return result;
     }
 
+    /**
+     * Log an unhandled error.
+     *
+     * @param message Message to contextualize the error.
+     * @param error Error to log.
+     */
+    logUnhandledError(message: string, error: unknown): void {
+        this.logger.error(message, error);
+    }
+
     /**
      * Converts an array of objects to an indexed array, using a property of each entry as the key.
      * Every entry will contain an array of the found objects of the property identifier.