diff --git a/admin/mailu/admin/models.py b/admin/mailu/admin/models.py
index 18d03a26..d7d46e65 100644
--- a/admin/mailu/admin/models.py
+++ b/admin/mailu/admin/models.py
@@ -152,7 +152,7 @@ class User(Base, Email):
     # Settings
     displayed_name = db.Column(db.String(160), nullable=False, default="")
     spam_enabled = db.Column(db.Boolean(), nullable=False, default=True)
-    spam_threshold = db.Column(db.Numeric(), nullable=False, default=80.0)
+    spam_threshold = db.Column(db.Integer(), nullable=False, default=80.0)
 
     # Flask-login attributes
     is_authenticated = True
diff --git a/admin/mailu/admin/templates/user/settings.html b/admin/mailu/admin/templates/user/settings.html
index ede0b608..3a36df1e 100644
--- a/admin/mailu/admin/templates/user/settings.html
+++ b/admin/mailu/admin/templates/user/settings.html
@@ -14,7 +14,7 @@ User settings
   {{ macros.form_field(form.displayed_name) }}
   {{ macros.form_field(form.spam_enabled) }}
   {{ macros.form_field(form.spam_threshold, step=1, max=100,
-      prepend='<span class="input-group-addon"><span id="threshold">'+(form.spam_threshold.data).__int__().__str__()+'</span>&nbsp;/&nbsp;100</span>',
+      prepend='<span class="input-group-addon"><span id="threshold">'+form.spam_threshold.data.__str__()+'</span>&nbsp;/&nbsp;100</span>',
       oninput='$("#threshold").text(this.value);') }}
   {{ macros.form_field(form.submit) }}
 </form>
diff --git a/admin/migrations/versions/12e9a4f6ed73_.py b/admin/migrations/versions/12e9a4f6ed73_.py
new file mode 100644
index 00000000..35b49941
--- /dev/null
+++ b/admin/migrations/versions/12e9a4f6ed73_.py
@@ -0,0 +1,35 @@
+"""Set the spam threshold as an integer
+
+Revision ID: 12e9a4f6ed73
+Revises: 27ae2f102682
+Create Date: 2016-11-08 20:22:54.169833
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '12e9a4f6ed73'
+down_revision = '27ae2f102682'
+
+from alembic import op
+import sqlalchemy as sa
+
+from mailu.admin import models
+from mailu import db
+
+
+def upgrade():
+    # Make sure that every value is already an Integer
+    for user in models.User.query.all():
+         user.spam_threshold = int(user.spam_threshold)
+    db.session.commit()
+    # Migrate the table
+    with op.batch_alter_table('user') as batch:
+        batch.alter_column(
+            'spam_threshold', existing_type=db.Numeric(), type_=db.Integer())
+
+
+def downgrade():
+    # Migrate the table
+    with op.batch_alter_table('user') as batch:
+        batch.alter_column(
+            'spam_threshold', existing_type=db.Integer(), type_=db.Numeric())