diff --git a/src/Price/MultiCurrencyPrice.php b/src/Price/MultiCurrencyPrice.php
index 22e25b5..d642d8f 100644
--- a/src/Price/MultiCurrencyPrice.php
+++ b/src/Price/MultiCurrencyPrice.php
@@ -76,7 +76,7 @@ public function add(self $multiPrice): void
 
     public function __get(string $name): ?Price
     {
-        return $this->getPrice(Currency::from($name));
+        return $this->getPrice(Currency::from(strtoupper($name)));
     }
 
     public function __set(string $name, Price $value): void