diff --git a/Sources/Localization/MessageFormatter.php b/Sources/Localization/MessageFormatter.php
index 5f80c890c4..56fe29a67f 100644
--- a/Sources/Localization/MessageFormatter.php
+++ b/Sources/Localization/MessageFormatter.php
@@ -540,6 +540,8 @@ protected static function applyNumberSkeleton(int|float|string $number, string $
 					if (strlen($matches[3]) > 1) {
 						$long_form .= '/*' . str_repeat('e', strlen($matches[3]));
 					}
+
+					return $long_form;
 				},
 				'/(?<=\s|^)0+(?=\s|$)/' => fn ($matches) => 'integer-width/*' . $matches[0],
 			],