diff --git a/lib/private/Installer.php b/lib/private/Installer.php
index f32b0e5919a2a..60896ec429da1 100644
--- a/lib/private/Installer.php
+++ b/lib/private/Installer.php
@@ -341,6 +341,9 @@ public function downloadApp(string $appId, bool $allowUnstable = false): void {
 					// otherwise we just copy the outer directory
 					$this->copyRecursive($extractDir, $baseDir);
 					Files::rmdirr($extractDir);
+					if (function_exists('opcache_reset')) {
+						opcache_reset();
+					}
 					return;
 				}
 				// Signature does not match