diff --git a/lib/private/Mail/Mailer.php b/lib/private/Mail/Mailer.php
index 4ddb748fc26d4..71d9aca9aeb8a 100644
--- a/lib/private/Mail/Mailer.php
+++ b/lib/private/Mail/Mailer.php
@@ -103,18 +103,6 @@ public function createAttachmentFromPath(string $path, $contentType = null): IAt
 	 * @since 12.0.0
 	 */
 	public function createEMailTemplate(string $emailId, array $data = []): IEMailTemplate {
-		$class = $this->config->getSystemValueString('mail_template_class', '');
-
-		if ($class !== '' && class_exists($class) && is_a($class, EMailTemplate::class, true)) {
-			return new $class(
-				$this->defaults,
-				$this->urlGenerator,
-				$this->l10nFactory,
-				$emailId,
-				$data
-			);
-		}
-
 		$logoDimensions = $this->config->getAppValue('theming', 'logoDimensions', self::DEFAULT_DIMENSIONS);
 		if (str_contains($logoDimensions, 'x')) {
 			[$width, $height] = explode('x', $logoDimensions);
@@ -140,6 +128,20 @@ public function createEMailTemplate(string $emailId, array $data = []): IEMailTe
 			$logoWidth = $logoHeight = null;
 		}
 
+		$class = $this->config->getSystemValueString('mail_template_class', '');
+
+		if ($class !== '' && class_exists($class) && is_a($class, EMailTemplate::class, true)) {
+			return new $class(
+				$this->defaults,
+				$this->urlGenerator,
+				$this->l10nFactory,
+				$logoWidth,
+				$logoHeight,
+				$emailId,
+				$data
+			);
+		}
+
 		return new EMailTemplate(
 			$this->defaults,
 			$this->urlGenerator,