diff --git a/Swashbuckle.Core/Application/SwaggerUiConfig.cs b/Swashbuckle.Core/Application/SwaggerUiConfig.cs
index bba5259a3..41283a7fd 100644
--- a/Swashbuckle.Core/Application/SwaggerUiConfig.cs
+++ b/Swashbuckle.Core/Application/SwaggerUiConfig.cs
@@ -23,6 +23,7 @@ public SwaggerUiConfig(IEnumerable<string> discoveryPaths, Func<HttpRequestMessa
                 { "%(DocumentTitle)", "Swagger UI" },
                 { "%(StylesheetIncludes)", "" },
                 { "%(DiscoveryPaths)", String.Join("|", discoveryPaths) },
+                { "%(DiscoveryUrlSelectorEnabled)", "false" },
                 { "%(BooleanValues)", "true|false" },
                 { "%(ValidatorUrl)", "" },
                 { "%(CustomScripts)", "" },
@@ -35,8 +36,8 @@ public SwaggerUiConfig(IEnumerable<string> discoveryPaths, Func<HttpRequestMessa
                 { "%(OAuth2AppName)", "" },
                 { "%(OAuth2ScopeSeperator)", " " },
                 { "%(OAuth2AdditionalQueryStringParams)", "{}" },
-				{ "%(ApiKeyName)", "api_key" },
-				{ "%(ApiKeyIn)", "query" }
+                { "%(ApiKeyName)", "api_key" },
+                { "%(ApiKeyIn)", "query" }
             };
             _rootUrlResolver = rootUrlResolver;
 
@@ -112,7 +113,7 @@ public void CustomAsset(string path, Assembly resourceAssembly, string resourceN
 
         public void EnableDiscoveryUrlSelector()
         {
-            InjectJavaScript(GetType().Assembly, "Swashbuckle.SwaggerUi.CustomAssets.discoveryUrlSelector.js");
+            _templateParams["%(DiscoveryUrlSelectorEnabled)"] = "true";
         }
 
         public void EnableOAuth2Support(string clientId, string realm, string appName)
diff --git a/Swashbuckle.Core/SwaggerUi/CustomAssets/discoveryUrlSelector.js b/Swashbuckle.Core/SwaggerUi/CustomAssets/discoveryUrlSelector.js
deleted file mode 100644
index 930dd6157..000000000
--- a/Swashbuckle.Core/SwaggerUi/CustomAssets/discoveryUrlSelector.js
+++ /dev/null
@@ -1,33 +0,0 @@
-(function () {
-    var DiscoveryUrlSelector = Backbone.View.extend({
-        render: function() {
-            // Don't re-render on subsequent reloads
-            var defaultVal = this.$el.val()
-            if (this.$el.prop('tagName') != 'SELECT') {
-                var select = $('<select id="input_baseUrl" name="baseUrl"></select>');
-                select
-                    .css('margin', '0')
-                    .css('border', '1px solid gray')
-                    .css('padding', '3px')
-                    .css('width', '400px')
-                    .css('font-size', '0.9em');
-
-                var rootUrl = this.options.rootUrl;
-                _.each(this.options.discoveryPaths, function(path) {
-                    var option = $('<option>' + rootUrl + "/" + path + '</option>');
-                    select.append(option);
-                });
-
-                select.val(defaultVal);
-                this.$el.replaceWith(select);
-            }
-            return this;
-        }
-    });
-
-    new DiscoveryUrlSelector({
-        el: $('#input_baseUrl'),
-        rootUrl: swashbuckleConfig.rootUrl,
-        discoveryPaths: swashbuckleConfig.discoveryPaths
-    }).render();
-})();
\ No newline at end of file
diff --git a/Swashbuckle.Core/SwaggerUi/CustomAssets/index.html b/Swashbuckle.Core/SwaggerUi/CustomAssets/index.html
index 90e4b5854..6454866d3 100644
--- a/Swashbuckle.Core/SwaggerUi/CustomAssets/index.html
+++ b/Swashbuckle.Core/SwaggerUi/CustomAssets/index.html
@@ -47,6 +47,7 @@
       window.swashbuckleConfig = {
         rootUrl: '%(RootUrl)',
         discoveryPaths: arrayFrom('%(DiscoveryPaths)'),
+        discoveryUrlSelectorEnabled: ('%(DiscoveryUrlSelectorEnabled)' == 'true'),
         booleanValues: arrayFrom('%(BooleanValues)'),
         validatorUrl: stringOrNullFrom('%(ValidatorUrl)'),
         customScripts: arrayFrom('%(CustomScripts)'),
@@ -126,7 +127,45 @@
       }
       $('#input_apiKey').change(addApiKeyAuthorization);
 
-      window.swaggerUi.load();
+      if (swashbuckleConfig.discoveryPaths.length === 0) {
+          $("#message-bar").text("No document configured");
+      } else {
+          window.swaggerUi.load();
+      }
+
+      if (swashbuckleConfig.discoveryUrlSelectorEnabled) {
+          var DiscoveryUrlSelector = Backbone.View.extend({
+              render: function () {
+                  // Don't re-render on subsequent reloads
+                  var defaultVal = this.$el.val()
+                  if (this.$el.prop('tagName') != 'SELECT') {
+                      var select = $('<select id="input_baseUrl" name="baseUrl"></select>');
+                      select
+                          .css('margin', '0')
+                          .css('border', '1px solid gray')
+                          .css('padding', '3px')
+                          .css('width', '400px')
+                          .css('font-size', '0.9em');
+
+                      var rootUrl = this.options.rootUrl;
+                      _.each(this.options.discoveryPaths, function (path) {
+                          var option = $('<option>' + rootUrl + "/" + path + '</option>');
+                          select.append(option);
+                      });
+
+                      select.val(defaultVal);
+                      this.$el.replaceWith(select);
+                  }
+                  return this;
+              }
+          });
+
+          new DiscoveryUrlSelector({
+              el: $('#input_baseUrl'),
+              rootUrl: swashbuckleConfig.rootUrl,
+              discoveryPaths: swashbuckleConfig.discoveryPaths
+          }).render();
+      }
 
       function log() {
         if ('console' in window) {
diff --git a/Swashbuckle.Core/Swashbuckle.Core.csproj b/Swashbuckle.Core/Swashbuckle.Core.csproj
index d830ccbba..8581490b6 100644
--- a/Swashbuckle.Core/Swashbuckle.Core.csproj
+++ b/Swashbuckle.Core/Swashbuckle.Core.csproj
@@ -117,7 +117,6 @@
   </ItemGroup>
   <ItemGroup />
   <ItemGroup>
-    <EmbeddedResource Include="SwaggerUi\CustomAssets\discoveryUrlSelector.js" />
     <EmbeddedResource Include="SwaggerUi\CustomAssets\typography.css" />
     <EmbeddedResource Include="SwaggerUi\CustomAssets\index.html" />
     <EmbeddedResource Include="SwaggerUi\CustomAssets\screen.css" />
diff --git a/Swashbuckle.Tests/SwaggerUi/SwaggerUiTests.cs b/Swashbuckle.Tests/SwaggerUi/SwaggerUiTests.cs
index 0a6a520b2..34e763b3a 100644
--- a/Swashbuckle.Tests/SwaggerUi/SwaggerUiTests.cs
+++ b/Swashbuckle.Tests/SwaggerUi/SwaggerUiTests.cs
@@ -115,7 +115,7 @@ public void It_exposes_config_to_enable_a_discovery_url_selector()
 
             var content = GetContentAsString("http://tempuri.org/swagger/ui/index");
 
-            StringAssert.Contains("Swashbuckle-SwaggerUi-CustomAssets-discoveryUrlSelector-js", content);
+            StringAssert.Contains ("discoveryUrlSelectorEnabled: ('true' == 'true')", content);
         }
 
         [Test]