diff --git a/README.md b/README.md
index 3231711..a6cb781 100644
--- a/README.md
+++ b/README.md
@@ -54,11 +54,11 @@ You can also use format like `type: message` to pre-define commit type, they wil
 |test|add missing tests|ignore||
 |breaking|introduce breaking changes|major|minor|
 |perf|performance improvements|patch||
-|tweaks|don't know how to describe|ignore||
+|tweaks|don't know how to describe|patch||
 
 **Note**: in 0.y.z versions, major changes will affect `y`, other changes and patches will affect `z`. So in such situation you can never reach `1.0.0` do you? Then just explicitly specific the version for your next release, like: `changelog 1.0.0`
 
-For `tweaks: message`, a message with only `tweaks` or `tweak` will also be ignored.
+For `tweaks: subject`, a message with only `tweaks` or `tweak` will also be a patch.
 
 You don't have to use these types in your commit message since you can set them one by one when actually running `changelog` (only for CHANGELOG.md, will not update the commit itself).
 
diff --git a/lib/index.js b/lib/index.js
index 71c07f6..0c1b4e4 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -56,10 +56,12 @@ module.exports = co.wrap(function * ({
       const type = semanticType(match[1])
       if (type) {
         commit.subject = commit.subject.replace(re, '')
-        commit.type = match[1]
+        commit.type = type
       }
-    } else if (isReleaseMessage || isSimpleTweaks) {
+    } else if (isReleaseMessage) {
       commit.type = 'ignore'
+    } else if (isSimpleTweaks) {
+      commit.type = 'patch'
     }
     return commit
   }).reverse()
diff --git a/lib/semantic-type.js b/lib/semantic-type.js
index 54d80f8..314d49d 100644
--- a/lib/semantic-type.js
+++ b/lib/semantic-type.js
@@ -4,8 +4,8 @@ module.exports = function (type) {
   const types = {
     docs: 'ignore',
     doc: 'ignore',
-    tweaks: 'ignore',
-    tweak: 'ignore',
+    tweaks: 'patch',
+    tweak: 'patch',
     fix: 'patch',
     fixes: 'patch',
     feat: 'minor',