diff --git a/provider-bridge/index.ts b/provider-bridge/index.ts
index 6d148e202c..8997d10714 100644
--- a/provider-bridge/index.ts
+++ b/provider-bridge/index.ts
@@ -67,6 +67,8 @@ export function connectProviderBridge(): void {
 }
 
 export function injectTallyWindowProvider(): void {
+  if (document.contentType !== "text/html") return
+
   try {
     const container = document.head || document.documentElement
     const scriptTag = document.createElement("script")