diff --git a/algebird-benchmark/src/main/scala/com/twitter/algebird/benchmark/QTreeMicroBenchmark.scala b/algebird-benchmark/src/main/scala/com/twitter/algebird/benchmark/QTreeMicroBenchmark.scala
index 1a7dc9a99..25b968cf3 100644
--- a/algebird-benchmark/src/main/scala/com/twitter/algebird/benchmark/QTreeMicroBenchmark.scala
+++ b/algebird-benchmark/src/main/scala/com/twitter/algebird/benchmark/QTreeMicroBenchmark.scala
@@ -40,7 +40,7 @@ object QTreeMicroBenchmark {
       val r = if (q.offset % 2 == 0) null else q
 
       val parent =
-        new QTree[A](nextOffset, nextLevel, q.count, monoid.zero, l, r)
+        new QTree[A](monoid.zero, nextOffset, nextLevel, q.count, l, r)
 
       extendToLevelDoubleBranch(parent, n)
     }
@@ -56,9 +56,9 @@ object QTreeMicroBenchmark {
 
       val parent =
         if (q.offset % 2 == 0)
-          new QTree[A](nextOffset, nextLevel, q.count, monoid.zero, q, null)
+          new QTree[A](monoid.zero, nextOffset, nextLevel, q.count, q, null)
         else
-          new QTree[A](nextOffset, nextLevel, q.count, monoid.zero, null, q)
+          new QTree[A](monoid.zero, nextOffset, nextLevel, q.count, null, q)
 
       extendToLevelSingleBranch(parent, n)
     }
diff --git a/project/Build.scala b/project/Build.scala
index 6939ba974..a09a39acb 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -124,6 +124,7 @@ object AlgebirdBuild extends Build {
     algebirdCore,
     algebirdUtil,
     algebirdBijection,
+    algebirdBenchmark,
     algebirdSpark
   )
 
@@ -131,8 +132,7 @@ object AlgebirdBuild extends Build {
     val id = "algebird-%s".format(name)
     Project(id = id, base = file(id), settings = sharedSettings ++ Seq(
       Keys.name := id,
-      previousArtifact := youngestForwardCompatible(name)) ++
-      JmhPlugin.projectSettings
+      previousArtifact := youngestForwardCompatible(name))
     )
   }
 
@@ -167,7 +167,7 @@ object AlgebirdBuild extends Build {
     }, addCompilerPlugin("org.scalamacros" % "paradise" % paradiseVersion cross CrossVersion.full)
   ).dependsOn(algebirdCore)
 
-  lazy val algebirdBenchmark = module("benchmark").settings(
+  lazy val algebirdBenchmark = module("benchmark").settings(JmhPlugin.projectSettings:_*).settings(
      libraryDependencies ++= Seq("com.twitter" %% "bijection-core" % "0.8.0")
   ).dependsOn(algebirdCore, algebirdUtil, algebirdTest % "test->compile").enablePlugins(JmhPlugin)