diff --git a/src.ts/utils/units.ts b/src.ts/utils/units.ts
index 0949497e..0aabea2a 100644
--- a/src.ts/utils/units.ts
+++ b/src.ts/utils/units.ts
@@ -14,7 +14,7 @@ const names = [
     'Mwei',
     'Gwei',
     'szabo',
-    'finny',
+    'finney',
     'ether',
 ];