diff --git a/resources/views/models/custom_fields_form.blade.php b/resources/views/models/custom_fields_form.blade.php
index a95ddd978..70f1f8537 100644
--- a/resources/views/models/custom_fields_form.blade.php
+++ b/resources/views/models/custom_fields_form.blade.php
@@ -19,7 +19,7 @@
                   @foreach ($field->formatFieldValuesAsArray() as $key => $value)
                       <div>
                           <label>
-                              <input type="checkbox" value="{{ $value }}" name="{{ $field->db_column_name() }}[]" class="minimal" {{  isset($item) ? (in_array($value, preg_split('/[, |,]/', $item->{$field->db_column_name()})) ? ' checked="checked"' : '') : (Request::old($field->db_column_name()) != '' ? ' checked="checked"' : (in_array($key, preg_split('/[, |,]/', $field->defaultValue($model->id))) ? ' checked="checked"' : '')) }}>
+                              <input type="checkbox" value="{{ $value }}" name="{{ $field->db_column_name() }}[]" class="minimal" {{ isset($item) ? (in_array($value, array_map('trim', explode(',', $item->{$field->db_column_name()}))) ? ' checked="checked"' : '') : (Request::old($field->db_column_name()) != '' ? ' checked="checked"' : (in_array($key, array_map('trim', explode(',', $field->defaultValue($model->id)))) ? ' checked="checked"' : '')) }}>
                               {{ $value }}
                           </label>
                       </div>