diff --git a/swagger.go b/swagger.go
index e4e5de7..b1153e2 100644
--- a/swagger.go
+++ b/swagger.go
@@ -270,7 +270,7 @@ window.onload = function() {
     url: "{{.URL}}",
     deepLinking: {{.DeepLinking}},
     docExpansion: "{{.DocExpansion}}",
-    dom_id: "{{.DomID}}",
+    dom_id: "#{{.DomID}}",
     persistAuthorization: {{.PersistAuthorization}},
     validatorUrl: null,
     presets: [
diff --git a/swagger_test.go b/swagger_test.go
index c59af75..ab72ca2 100644
--- a/swagger_test.go
+++ b/swagger_test.go
@@ -335,7 +335,7 @@ func TestUIConfigOptions(t *testing.T) {
 				URL:                  "doc.json",
 				DeepLinking:          true,
 				DocExpansion:         "list",
-				DomID:                "#swagger-ui",
+				DomID:                "swagger-ui",
 				PersistAuthorization: false,
 			},
 			exp: `window.onload = function() {
@@ -367,7 +367,7 @@ func TestUIConfigOptions(t *testing.T) {
 				DeepLinking:          false,
 				PersistAuthorization: true,
 				DocExpansion:         "none",
-				DomID:                "#swagger-ui-id",
+				DomID:                "swagger-ui-id",
 				BeforeScript: `const SomePlugin = (system) => ({
     // Some plugin
   });