diff --git a/app.py b/app.py
index 73041ca..8a78623 100644
--- a/app.py
+++ b/app.py
@@ -68,7 +68,7 @@ def buy():
         return render_template("buy.html")
     else:
         symbol = request.form.get("symbol")
-        shares = float(request.form.get("shares"))
+        shares = request.form.get("shares")
 
         if not symbol:
             return apology("Not Symbol")
@@ -78,7 +78,7 @@ def buy():
         if stock == None:
             return apology("Symbol not found")
 
-        if not shares == "":
+        if shares:
             transaction_value = float(shares) * stock["price"]
 
             user_id = session["user_id"]
@@ -95,9 +95,11 @@ def buy():
             date = datetime.datetime.now()
 
             db.execute("INSERT INTO transactions (user_id, symbol, shares, price, date) VALUES (?, ?, ?, ?, ?)",
-                    user_id, stock["symbol"], shares, stock["price"], date)
+                       user_id, stock["symbol"], shares, stock["price"], date)
 
             flash("Bought!")
+        else:
+            return apology("Missing shares", 400)
 
         return redirect("/")
     # return apology("TODO")
@@ -208,7 +210,6 @@ def register():
         username_exists = db.execute("SELECT * FROM users WHERE username = ?", username)
 
         if username_exists:
-            flash("Username exists already!")
             return apology("username already exists!", 400)
 
         db.execute("INSERT INTO users(username, hash) VALUES(?, ?)",
diff --git a/finance.db b/finance.db
index f4d2422..d338736 100644
Binary files a/finance.db and b/finance.db differ
diff --git a/flask_session/16fa13c5890feb947b5d5c907cfedf5b b/flask_session/16fa13c5890feb947b5d5c907cfedf5b
new file mode 100644
index 0000000..7faa085
Binary files /dev/null and b/flask_session/16fa13c5890feb947b5d5c907cfedf5b differ
diff --git a/flask_session/2029240f6d1128be89ddc32729463129 b/flask_session/2029240f6d1128be89ddc32729463129
index 8b04914..7f5741f 100644
Binary files a/flask_session/2029240f6d1128be89ddc32729463129 and b/flask_session/2029240f6d1128be89ddc32729463129 differ
diff --git a/templates/buy.html b/templates/buy.html
index b34ebb5..2659c6e 100644
--- a/templates/buy.html
+++ b/templates/buy.html
@@ -10,7 +10,7 @@
             <input class="form-control mx-auto w-auto" autocomplete="off" autofocus="" name="symbol" placeholder="Symbol" type="text">
         </div>
         <div class="mb-3">
-            <input class="form-control mx-auto w-auto" autocomplete="off" autofocus min="1" name="shares" placeholder="Shares" type="text">
+            <input class="form-control mx-auto w-auto" autocomplete="off" autofocus min="1" name="shares" placeholder="Shares" type="number">
         </div>
         <button class="btn btn-primary" type="submit">Buy</button>
     </form>