diff --git a/src-ui/src/app/components/common/input/monetary/monetary.component.ts b/src-ui/src/app/components/common/input/monetary/monetary.component.ts
index 6c17b2c76..bc63bc8ca 100644
--- a/src-ui/src/app/components/common/input/monetary/monetary.component.ts
+++ b/src-ui/src/app/components/common/input/monetary/monetary.component.ts
@@ -35,12 +35,12 @@ export class MonetaryComponent extends AbstractInputComponent<string> {
 
   get currencyCode(): string {
     const focused = document.activeElement === this.currencyField?.nativeElement
-    if (focused && this.value) return this.value.match(/^([A-Z]{0,3})/)?.[0]
+    if (focused && this.value) return this.value.match(/^([a-zA-Z]{0,3})/)?.[0]
     return (
       this.value
         ?.toString()
         .toUpperCase()
-        .match(/^([A-Z]{1,3})/)?.[0] ?? this.defaultCurrencyCode
+        .match(/^([a-zA-Z]{1,3})/)?.[0] ?? this.defaultCurrencyCode
     )
   }