diff --git a/src/index.ts b/src/index.ts
index 2f06f24..f73310d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,8 +3,6 @@ import {fileURLToPath} from "url"
 import gemtextVitePlugin from "./vitePlugin.js"
 import { parse as parseYaml } from "yaml";
 
-export const ext = "gmi"
-
 /** Gemtext configuration options */
 export interface GemtextConfig {
     /** Absolute import path to the layout to use for all gemtext pages.
@@ -39,9 +37,9 @@ export default function gemtext(config: GemtextConfig = {}): AstroIntegration {
                         new URL("./renderer.js", import.meta.url),
                     ),
                 })
-                params.addPageExtension(ext)
+                params.addPageExtension('.gmi')
                 params.addContentEntryType({
-                    extensions: [`.${ext}`],
+                    extensions: ['.gmi'],
                     getEntryInfo: async ({ fileUrl, contents }) => {
                       const lines = contents.split('\n');
                       let data: Record<string, unknown> = {};
diff --git a/src/vitePlugin.ts b/src/vitePlugin.ts
index 1568b14..7b5ef44 100644
--- a/src/vitePlugin.ts
+++ b/src/vitePlugin.ts
@@ -2,7 +2,7 @@ import {HTMLRenderer, parse} from "gemtext"
 import path from "path"
 import {pathToFileURL} from "url"
 import type {Plugin} from "vite"
-import {ext, type GemtextConfig} from "./index.js"
+import {type GemtextConfig} from "./index.js"
 
 function transform(code: string, id: string, config: GemtextConfig) {
     const result = parse(code)
@@ -54,7 +54,7 @@ export default function gemtextVitePlugin(config: GemtextConfig): Plugin {
         name: "astro-gemtext",
         enforce: "pre",
         transform(code, id) {
-            if (!id.endsWith(`.${ext}`)) return
+            if (!id.endsWith('.gmi')) return
             return {
                 code: transform(code, id, config),
                 map: null,