diff --git a/packages/taler-util/src/taler-crypto.ts b/packages/taler-util/src/taler-crypto.ts
index 3ad388794..de870955b 100644
--- a/packages/taler-util/src/taler-crypto.ts
+++ b/packages/taler-util/src/taler-crypto.ts
@@ -123,7 +123,7 @@ function getValue(chr: string): number {
   switch (chr) {
     case "O":
     case "o":
-      a = "0;";
+      a = "0";
       break;
     case "i":
     case "I":