diff --git a/README.md b/README.md
index 03dabe6..7d3d072 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Output information for one of the [72 Japanese micro season](https://www.nippon.
 
 ## Requirements
 
-- [**Kirby**](https://getkirby.com/) 4.x
+- [**Kirby**](https://getkirby.com/) 4.x or 5.x
 
 ## Installation
 
diff --git a/classes/Microseasons.php b/classes/Microseasons.php
index af011c0..a45872a 100644
--- a/classes/Microseasons.php
+++ b/classes/Microseasons.php
@@ -75,7 +75,9 @@ public static function getSeason($today, $jsonFileUrl): array {
   }
 
   public static function convertDateFormat($dateString): string {
-    $reformattedDate = $dateString->format('M d') ?? $dateString->format(option("scottboms.microseasons.dateformat"));
+    $dateFormat = option("scottboms.microseasons.dateformat") ?? 'M d';
+
+    $reformattedDate = $dateString->format($dateFormat);
     return $reformattedDate;
   }
 }
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