diff --git a/package.json b/package.json
index 42c03d15d..2d7a04f43 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "selfkey-identity-wallet",
 	"productName": "SelfKey Identity Wallet",
-	"version": "1.6.3",
+	"version": "1.6.4",
 	"description": "The Official SelfKey Identity Wallet for Desktop",
 	"browser": [
 		"chrome"
diff --git a/src/main/token/token-service.js b/src/main/token/token-service.js
index 845c43ab0..8c3319854 100644
--- a/src/main/token/token-service.js
+++ b/src/main/token/token-service.js
@@ -59,7 +59,7 @@ export class TokenService {
 		const MAX_GAS = 4500000;
 		const amountWithDecimals = new BigNumber(amount)
 			.times(new BigNumber(10).pow(decimal))
-			.toString();
+			.toFixed();
 		const estimate = await tokenContract.methods
 			.transfer(address, amountWithDecimals)
 			.estimateGas({ from: fromAddress });