diff --git a/lib/wallet.js b/lib/wallet.js
index 131fd80ca..9a704c151 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -76,7 +76,7 @@ function Wallet(privateKey, provider) {
             value = utils.hexOrBuffer(utils.hexlify(value), fieldInfo.name);
 
             // Fixed-width field
-            if (fieldInfo.length && value.length !== fieldInfo.length) {
+            if (fieldInfo.length && value.length !== fieldInfo.length && value.length > 0) {
                 var error = new Error('invalid ' + fieldInfo.name);
                 error.reason = 'wrong length';
                 error.value = value;
diff --git a/tests/test-transactions.js b/tests/test-transactions.js
index a841c8e20..3f0c06a45 100644
--- a/tests/test-transactions.js
+++ b/tests/test-transactions.js
@@ -75,6 +75,19 @@ module.exports = function(test) {
         s: "0x29ae9893dac4f9afb1af743e25fbb6a63f7879a61437203cb48c997b0fcefc3a"
     });
 
+    // Test all possible blank fields
+    var privateKey = new Buffer('0123456789012345678901234567890123456789012345678901234567890123', 'hex');
+    for (var i = 0; i < 64; i++) {
+        var transaction = {};
+        if (i & (1 << 0)) { transaction.nonce     = '0x02'; }
+        if (i & (1 << 1)) { transaction.gasPrice  = '0x03'; }
+        if (i & (1 << 2)) { transaction.gasLimit  = '0x04'; }
+        if (i & (1 << 3)) { transaction.to        = '0x0123456789012345678901234567890123456789'; }
+        if (i & (1 << 4)) { transaction.value     = '0x05'; }
+        if (i & (1 << 5)) { transaction.data      = '0x06'; }
+        testTransaction(privateKey, transaction);
+    }
+
     test.done();
 };