diff --git a/src/modules/codePreviews.js b/src/modules/codePreviews.js
index bcd62f8..a277132 100644
--- a/src/modules/codePreviews.js
+++ b/src/modules/codePreviews.js
@@ -23,6 +23,27 @@ function unindent(str) {
   return str.replace(new RegExp(`^ {${minIndent}}`, "gm"), "");
 }
 
+const fileTypeAliases = {
+  astro: "jsx",
+  svelte: "jsx",
+  vue: "jsx",
+  mdx: "md",
+  jsonc: "json",
+  json5: "json",
+  jsonld: "json",
+  "sublime-build": "json",
+  "sublime-settings": "json",
+  "sublime-menu": "json",
+  "sublime-commands": "json",
+  "sublime-project": "json",
+  "sublime-mousemap": "json",
+  "sublime-keymap": "json",
+  "sublime-macro": "json",
+  "sublime-completions": "json",
+  "code-workspace": "json",
+  "code-snippets": "json",
+};
+
 async function processFile(
   link,
   originalLink,
@@ -96,7 +117,9 @@ async function processFile(
 
   return `**${fileName}:** ${whichLines}${warning}\n${
     spoiler ? "||" : ""
-  }\`\`\`${fileType}\n${unindent(targetLines)}\n\`\`\`${spoiler ? "||" : ""}`;
+  }\`\`\`${fileTypeAliases[fileType] ?? fileType}\n${unindent(
+    targetLines
+  )}\n\`\`\`${spoiler ? "||" : ""}`;
 }
 
 events.add("messageCreate", "codePreviews", async function (msg) {