diff --git a/initialise/MirahezeFunctions.php b/initialise/MirahezeFunctions.php
index cdc2eccf41..168eb99e16 100644
--- a/initialise/MirahezeFunctions.php
+++ b/initialise/MirahezeFunctions.php
@@ -574,7 +574,9 @@ public static function writeToCache( string $cacheShard, array $configObject ):
 		if ( $tmpFile !== false ) {
 			$contents = StaticArrayWriter::write( $configObject, 'Automatically generated by MirahezeFunctions' );
 			if ( file_put_contents( $tmpFile, $contents ) ) {
-				if ( rename( $tmpFile, self::CACHE_DIRECTORY . '/' . $cacheShard ) ) {
+				$targetFile = self::CACHE_DIRECTORY . '/' . $cacheShard;
+				if ( rename( $tmpFile, $targetFile ) ) {
+					opcache_invalidate( $targetFile, true );
 					return;
 				}
 			}