diff --git a/core/Controller/ReferenceApiController.php b/core/Controller/ReferenceApiController.php
index b97067964603d..266532113d888 100644
--- a/core/Controller/ReferenceApiController.php
+++ b/core/Controller/ReferenceApiController.php
@@ -61,7 +61,7 @@ public function extract(string $text, bool $resolve = false, int $limit = 1): Da
 	 * @NoAdminRequired
 	 */
 	public function resolveOne(string $reference): DataResponse {
-		$resolvedReference = $this->referenceManager->resolveReference($reference);
+		$resolvedReference = $this->referenceManager->resolveReference(trim($reference));
 
 		$response = new DataResponse(['references' => [ $reference => $resolvedReference ]]);
 		$response->cacheFor(3600, false, true);