diff --git a/packages/web3-core-method/src/index.js b/packages/web3-core-method/src/index.js
index e8012bf77c6..d08c4977918 100644
--- a/packages/web3-core-method/src/index.js
+++ b/packages/web3-core-method/src/index.js
@@ -533,7 +533,14 @@ Method.prototype.buildCall = function() {
 
                     // If wallet was found, sign tx, and send using sendRawTransaction
                     if (wallet && wallet.privateKey) {
-                        return method.accounts.signTransaction(_.omit(tx, 'from'), wallet.privateKey).then(sendSignedTx);
+                        return method.accounts.signTransaction(_.omit(tx, 'from'), wallet.privateKey)
+                            .then(sendSignedTx)
+                            .catch(function (err) {
+                                if (defer.eventEmitter.emit) {
+                                    defer.eventEmitter.emit('error', err);
+                                }
+                                defer.reject(err);
+                            });
                     }
 
                     // ETH_SIGN