diff --git a/core/Command/Maintenance/UpdateTheme.php b/core/Command/Maintenance/UpdateTheme.php
index 9be29f885a..ce13215e05 100644
--- a/core/Command/Maintenance/UpdateTheme.php
+++ b/core/Command/Maintenance/UpdateTheme.php
@@ -61,6 +61,6 @@ class UpdateTheme extends UpdateJS {
 		// cleanup image cache
 		$c = $this->cacheFactory->createDistributed('imagePath');
 		$c->clear('');
-		$output->writeln('<info>Image cache cleared');
+		$output->writeln('<info>Image cache cleared</info>');
 	}
 }