diff --git a/app/src/main/java/com/ireallydontcare/viet/posseidon/SubjectActivity.java b/app/src/main/java/com/ireallydontcare/viet/posseidon/SubjectActivity.java
index c272d93e65746833ec766cc4aac861870e80b87d..3fa27ed1bbc68f0a3b0e7457046407061a5e2433 100644
--- a/app/src/main/java/com/ireallydontcare/viet/posseidon/SubjectActivity.java
+++ b/app/src/main/java/com/ireallydontcare/viet/posseidon/SubjectActivity.java
@@ -61,6 +61,7 @@ public class SubjectActivity extends AppCompatActivity
     }
 
     protected void init(){
+        setContentView(R.layout.activity_subject);
         currentSubject = new Subject();
         subjectId = getIntent().getExtras().getLong(SUBJECT_ID);
         currentSubject.id = subjectId;
@@ -70,7 +71,6 @@ public class SubjectActivity extends AppCompatActivity
         currentSubject.credit= getIntent().getExtras().getInt(SUBJECT_CREDIT);
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
-        setContentView(R.layout.activity_subject);
         FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fabevent);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override