diff --git a/assets/templates/partials/cable_form.html b/assets/templates/partials/cable_form.html
index 3d5674c1..4409f08f 100644
--- a/assets/templates/partials/cable_form.html
+++ b/assets/templates/partials/cable_form.html
@@ -6,24 +6,13 @@
{% if create or edit or duplicate %}
{% else %}
diff --git a/assets/templates/partials/form_field.html b/assets/templates/partials/form_field.html
index feeacff2..82e328d6 100644
--- a/assets/templates/partials/form_field.html
+++ b/assets/templates/partials/form_field.html
@@ -17,6 +17,6 @@
{% endif %}
{% else %}
-{% render_field field|add_class:'form-control'|add_class:col %}
+{% render_field field|add_class:'form-control' class+=col %}
{% endif %}
{% endspaceless %}