diff --git a/lib/src/ethers/ethers.dart b/lib/src/ethers/ethers.dart
index 1555f73..e2dfebb 100644
--- a/lib/src/ethers/ethers.dart
+++ b/lib/src/ethers/ethers.dart
@@ -185,7 +185,7 @@ class EthUtils {
   /// EthUtils.parseUnits("121.0", 9);
   /// // { BigNumber: "121000000000" }
   /// ```
-  external static BigNumber parseUnit(String value, [dynamic unit = 'ether']);
+  external static BigNumber parseUnits(String value, [dynamic unit = 'ether']);
 
   /// Returns the `KECCAK256` of the non-standard encoded [values] packed according to their respective type in [types].
   ///