diff --git a/packages/server/src/util.js b/packages/server/src/util.js
index 74de06ea4..675188555 100644
--- a/packages/server/src/util.js
+++ b/packages/server/src/util.js
@@ -10,4 +10,4 @@ export const smartRequire = modulePath => {
 }
 
 export const joinURLPath = (...paths) =>
-  paths.join('/').replace(/(?<!:)\/\//g, '/')
+  paths.join('/').replace(/(?<!http(s)?:)(?<=.)\/\//g, '/')
diff --git a/packages/server/src/util.test.js b/packages/server/src/util.test.js
index 508e4e935..1bfb04550 100644
--- a/packages/server/src/util.test.js
+++ b/packages/server/src/util.test.js
@@ -16,5 +16,11 @@ describe('util', () => {
         `${publicPath}/style.css`,
       )
     })
+    it('should join paths with protocol free public path', () => {
+      const publicPath = '//127.0.0.1/public'
+      expect(joinURLPath(publicPath, 'style.css')).toBe(
+        `${publicPath}/style.css`,
+      )
+    })
   })
 })