diff --git a/typescript-deno-plugin/src/index.ts b/typescript-deno-plugin/src/index.ts
index 2213e359..f7b455c7 100644
--- a/typescript-deno-plugin/src/index.ts
+++ b/typescript-deno-plugin/src/index.ts
@@ -53,6 +53,7 @@ class Plugin implements ts.server.PluginModule {
     if (process.platform === "win32") {
       fileName = fileName.replace(/\//g, "\\");
     }
+    fileName = fileName.replace(/^\^\/vscode-notebook-cell\/[^/]*/, "");
     const pluginSettings = projectSettings.get(this.#projectName);
     if (!pluginSettings) {
       return false;