diff --git a/openslides/core/config.py b/openslides/core/config.py
index be055244b..5b836cce1 100644
--- a/openslides/core/config.py
+++ b/openslides/core/config.py
@@ -60,7 +60,11 @@ class ConfigHandler:
 
         # Validate datatype and run validators.
         expected_type = INPUT_TYPE_MAPPING[config_variable.input_type]
-        if not isinstance(value, expected_type):
+
+        # Try to convert value into the expected datatype
+        try:
+            value = expected_type(value)
+        except ValueError:
             raise ConfigError(_('Wrong datatype. Expected %s, got %s.') % (expected_type, type(value)))
         if config_variable.input_type == 'choice' and value not in map(lambda choice: choice['value'], config_variable.choices):
             raise ConfigError(_('Invalid input. Choice does not match.'))
diff --git a/openslides/core/static/js/core.js b/openslides/core/static/js/core.js
index 547656cfb..39e8c0362 100644
--- a/openslides/core/static/js/core.js
+++ b/openslides/core/static/js/core.js
@@ -250,7 +250,7 @@ angular.module('OpenSlidesApp.core.site', ['OpenSlidesApp.core'])
             controller: 'ConfigCtrl',
             resolve: {
                 configOption: function($http) {
-                    return $http({ 'method': 'OPTIONS', 'url': '/rest/config/config/' });
+                    return $http({ 'method': 'OPTIONS', 'url': '/rest/core/config/' });
                 }
             }
         })
@@ -351,7 +351,7 @@ angular.module('OpenSlidesApp.core.site', ['OpenSlidesApp.core'])
             string: 'text',
             integer: 'number',
             boolean: 'checkbox',
-            choice: 'radio',
+            choice: 'choice',
         }[type];
     }
 
@@ -363,8 +363,11 @@ angular.module('OpenSlidesApp.core.site', ['OpenSlidesApp.core'])
             var field = $parse(iAttrs.field)($scope);
             var config = Config.get(field.key);
             $scope.type = getHtmlType(field.input_type);
+            if ($scope.type == 'choice') {
+                $scope.choices = field.choices;
+            }
             $scope.label = field.label;
-            $scope.id = 'field-' + field.id;
+            $scope.key = 'field-' + field.key;
             $scope.value = config.value;
             $scope.help_text = field.help_text;
         }
@@ -433,12 +436,7 @@ angular.module('OpenSlidesApp.core.site', ['OpenSlidesApp.core'])
     $scope.configGroups = configOption.data.config_groups;
 
     // save changed config value
-    $scope.save = function(key, value, type) {
-        // TODO: find a better way to check the type without using of
-        // the extra parameter 'type' from template
-        if (type == 'number') {
-            value = parseInt(value);
-        }
+    $scope.save = function(key, value) {
         Config.get(key).value = value;
         Config.save(key);
     }
diff --git a/openslides/core/static/templates/config-form-field.html b/openslides/core/static/templates/config-form-field.html
index c5348732b..c49fdc249 100644
--- a/openslides/core/static/templates/config-form-field.html
+++ b/openslides/core/static/templates/config-form-field.html
@@ -2,10 +2,15 @@
   <label>{{ label }}</label>
 
   <div class="input-group">
-    <input ng-model="value" ng-change="save(configOption.key, value, type)" id="{{ id }}" type="{{ type }}"
+    <input ng-if="type != 'choice'" ng-model="value" ng-change="save(configOption.key, value)" id="{{ key }}" type="{{ type }}"
         class="form-control">
+
+    <select ng-if="type == 'choice'" ng-model="value" ng-change="save(configOption.key, value)" id="{{ key }}"
+        class="form-control" ng-options="option.value as option.display_name for option in choices">
+    </select>
+
     <span class="input-group-btn">
-      <button ng-click="value=configOption.default_value; save(configOption.key, configOption.default_value, type)" class="btn btn-default" translate>
+      <button ng-click="value=configOption.default_value; save(configOption.key, configOption.default_value)" class="btn btn-default" translate>
         <i class="fa fa-undo"></i>
         <translate>Reset</translate>
       </button>
diff --git a/openslides/core/static/templates/config.html b/openslides/core/static/templates/config.html
index 8548f6057..150ff9e9e 100644
--- a/openslides/core/static/templates/config.html
+++ b/openslides/core/static/templates/config.html
@@ -11,7 +11,7 @@
             {{ group.name }}
           </a>
         </h4>
-      </div>
+      </div> <!-- heading -->
       <div id="{{ group.name }}" class="panel-collapse collapse" role="tabpanel" aria-labelledby="heading-{{ group.name }}">
         <div class="panel-body">
           <div ng-repeat="subgroup in group.subgroups">
@@ -21,7 +21,8 @@
             </div>
           </div>
         </div>
-      </div>
+      </div> <!-- group.name -->
     </div>
   </div>
+</div>
 
diff --git a/tests/integration/core/test_views.py b/tests/integration/core/test_views.py
index 53efa77f0..85edaf4dc 100644
--- a/tests/integration/core/test_views.py
+++ b/tests/integration/core/test_views.py
@@ -97,6 +97,18 @@ class ConfigViewSet(TestCase):
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
         self.assertEqual(response.data, {'detail': "Wrong datatype. Expected <class 'int'>, got <class 'str'>."})
 
+    def test_update_wrong_datatype_that_can_be_converted(self):
+        """
+        Try to send a string that can be converted to an integer to an integer
+        field.
+        """
+        self.client = APIClient()
+        self.client.login(username='admin', password='admin')
+        response = self.client.put(
+            reverse('config-detail', args=['test_var_ohhii4iavoh5Phoh5ahg']),
+            {'value': '12345'})
+        self.assertEqual(response.status_code, 200)
+
     def test_update_good_choice(self):
         self.client = APIClient()
         self.client.login(username='admin', password='admin')