diff --git a/lib/private/Template/SCSSCacher.php b/lib/private/Template/SCSSCacher.php
index 427588ddddf2f..487e5664c294e 100644
--- a/lib/private/Template/SCSSCacher.php
+++ b/lib/private/Template/SCSSCacher.php
@@ -175,6 +175,10 @@ public function process(string $root, string $file, string $app): bool {
 				$retry++;
 			}
 			$this->logger->debug('SCSSCacher: Giving up scss caching for '.$lockKey, ['app' => 'core']);
+			
+			// Cleaning lock
+			$this->lockingCache->remove($lockKey);
+			
 			return false;
 		}