diff --git a/ext/bg/js/search-frontend.js b/ext/bg/js/search-frontend.js
index e534e771..bda46a98 100644
--- a/ext/bg/js/search-frontend.js
+++ b/ext/bg/js/search-frontend.js
@@ -27,7 +27,7 @@ function injectSearchFrontend() {
         '/fg/js/popup.js',
         '/fg/js/popup-proxy-host.js',
         '/fg/js/frontend.js',
-        '/fg/js/frontend-initialize.js'
+        '/fg/js/content-script-main.js'
     ];
     for (const src of scriptSrcs) {
         const node = document.querySelector(`script[src='${src}']`);
diff --git a/ext/fg/js/frontend-initialize.js b/ext/fg/js/content-script-main.js
similarity index 98%
rename from ext/fg/js/frontend-initialize.js
rename to ext/fg/js/content-script-main.js
index 2df59e20..974320cc 100644
--- a/ext/fg/js/frontend-initialize.js
+++ b/ext/fg/js/content-script-main.js
@@ -61,7 +61,7 @@ async function createPopupProxy(depth, id, parentFrameId, url) {
     return popup;
 }
 
-async function main() {
+async function contentScriptMain() {
     await yomichan.prepare();
 
     const data = window.frontendInitializationData || {};
@@ -130,4 +130,4 @@ async function main() {
     await applyOptions();
 }
 
-main();
+contentScriptMain();
diff --git a/ext/fg/js/popup-nested.js b/ext/fg/js/popup-nested.js
index c140f9c8..27482931 100644
--- a/ext/fg/js/popup-nested.js
+++ b/ext/fg/js/popup-nested.js
@@ -26,7 +26,7 @@ function injectPopupNested() {
         '/fg/js/popup.js',
         '/fg/js/popup-proxy.js',
         '/fg/js/frontend.js',
-        '/fg/js/frontend-initialize.js'
+        '/fg/js/content-script-main.js'
     ];
     for (const src of scriptSrcs) {
         const script = document.createElement('script');
diff --git a/ext/manifest.json b/ext/manifest.json
index d383dab0..4f35b03c 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -31,7 +31,7 @@
             "fg/js/popup-proxy.js",
             "fg/js/popup-proxy-host.js",
             "fg/js/frontend.js",
-            "fg/js/frontend-initialize.js"
+            "fg/js/content-script-main.js"
         ],
         "match_about_blank": true,
         "all_frames": true