diff --git a/app.py b/app.py
index 3f1cf6b..73041ca 100644
--- a/app.py
+++ b/app.py
@@ -209,7 +209,7 @@ def register():
 
         if username_exists:
             flash("Username exists already!")
-            return render_template("register.html")
+            return apology("username already exists!", 400)
 
         db.execute("INSERT INTO users(username, hash) VALUES(?, ?)",
                    username, generate_password_hash(password))
diff --git a/flask_session/2029240f6d1128be89ddc32729463129 b/flask_session/2029240f6d1128be89ddc32729463129
index 60b84f8..8b04914 100644
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diff --git a/flask_session/39b31c290f4b506fd545e82536ad3484 b/flask_session/39b31c290f4b506fd545e82536ad3484
new file mode 100644
index 0000000..2f7fa3a
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