diff --git a/packages/web3-core-method/src/index.js b/packages/web3-core-method/src/index.js
index e29c776085d..e8012bf77c6 100644
--- a/packages/web3-core-method/src/index.js
+++ b/packages/web3-core-method/src/index.js
@@ -561,7 +561,7 @@ Method.prototype.buildCall = function() {
         };
 
         // Send the actual transaction
-        if(isSendTx && _.isObject(payload.params[0]) && !payload.params[0].gasPrice) {
+        if(isSendTx && _.isObject(payload.params[0]) && typeof payload.params[0].gasPrice === 'undefined') {
 
             var getGasPrice = (new Method({
                 name: 'getGasPrice',