diff --git a/src/utils.ts b/src/utils.ts
index d62e2aa..f5219ff 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -8,7 +8,20 @@ export function shortenAddress(
 }
 
 export function sanitizeURLProtocol(protocol: 'ws' | 'http', endpoint: string) {
-  return location.protocol.startsWith('https')
+  return location.protocol.startsWith('https') &&
+    endpoint.indexOf('localhost') === -1 &&
+    !isStringIpAddress(endpoint)
     ? `${protocol}s://${endpoint}`
     : `${protocol}://${endpoint}`
 }
+
+function isStringIpAddress(value: string) {
+  if (
+    /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(
+      value
+    )
+  ) {
+    return true
+  }
+  return false
+}