Fix normalizeMsgData function to always return hex prefixed

2 files changed, 3 insertions, 3 deletions

diff --git a/app/scripts/lib/personal-message-manager.js b/app/scripts/lib/personal-message-manager.js
index 04dba4a90..bbc978446 100644
--- a/app/scripts/lib/personal-message-manager.js
+++ b/app/scripts/lib/personal-message-manager.js
@@ -112,7 +112,7 @@ module.exports = class PersonalMessageManager extends EventEmitter{
     try {
       const stripped = ethUtil.stripHexPrefix(data)
       if (stripped.match(hexRe)) {
-        return stripped
+        return ethUtil.addHexPrefix(stripped)
       }
     } catch (e) {
       log.debug(`Message was not hex encoded, interpreting as utf8.`)
diff --git a/test/unit/personal-message-manager-test.js b/test/unit/personal-message-manager-test.js
index 5ee03726f..77e1656c5 100644
--- a/test/unit/personal-message-manager-test.js
+++ b/test/unit/personal-message-manager-test.js
@@ -97,13 +97,13 @@ describe('Personal Message Manager', function() {
     it('tolerates a hex prefix', function() {
       var input = '0x12'
       var output = messageManager.normalizeMsgData(input)
-      assert.equal(output, '12', 'un modified')
+      assert.equal(output, '0x12', 'un modified')
     })
 
     it('tolerates normal hex', function() {
       var input = '12'
       var output = messageManager.normalizeMsgData(input)
-      assert.equal(output, '12', 'adds prefix')
+      assert.equal(output, '0x12', 'adds prefix')
     })
   })