diff --git a/src/modules/codePreviews.js b/src/modules/codePreviews.js
index 86f781b..5474575 100644
--- a/src/modules/codePreviews.js
+++ b/src/modules/codePreviews.js
@@ -28,63 +28,65 @@ events.add("messageCreate", "codePreviews", async function (msg) {
   const gitlabLinks = msg.content.match(REGEX_GITLAB);
   const giteaLinks = msg.content.match(REGEX_GITEA);
 
-  for (const link of githubLinks) {
-    const rawLink = link.replace("/blob/", "/raw/");
-    const file = await fetch(rawLink).then((res) => res.text());
-    const lines = file.replace(/\r/g, "").split("\n");
+  if (githubLinks?.length) {
+    for (const link of githubLinks) {
+      const rawLink = link.replace("/blob/", "/raw/");
+      const file = await fetch(rawLink).then((res) => res.text());
+      const lines = file.replace(/\r/g, "").split("\n");
 
-    const fileName = link.substring(
-      link.lastIndexOf("/") + 1,
-      link.indexOf("#") == -1 ? link.length : link.indexOf("#")
-    );
-    const fileType =
-      fileName.indexOf(".") == -1
-        ? ""
-        : fileName.subString(fileName.indexOf(".") + 1);
+      const fileName = link.substring(
+        link.lastIndexOf("/") + 1,
+        link.indexOf("#") == -1 ? link.length : link.indexOf("#")
+      );
+      const fileType =
+        fileName.indexOf(".") == -1
+          ? ""
+          : fileName.subString(fileName.indexOf(".") + 1);
 
-    const lineStr = link.match(/#L\d+?(-L\d+?)?/)[0];
-    let startLine, endLine;
-    let entireFile = false;
+      const lineStr = link.match(/#L\d+?(-L\d+?)?/)[0];
+      let startLine, endLine;
+      let entireFile = false;
 
-    if (lineStr) {
-      let [start, end] = link.match(/L\d+?/g);
-      start = parseInt(start.replace("L", ""));
-      if (!end) {
-        startLine = endLine = start;
+      if (lineStr) {
+        let [start, end] = link.match(/L\d+?/g);
+        start = parseInt(start.replace("L", ""));
+        if (!end) {
+          startLine = endLine = start;
+        } else {
+          end = parseInt(end.replace("L", ""));
+          startLine = start;
+          endLine = end;
+        }
       } else {
-        end = parseInt(end.replace("L", ""));
-        startLine = start;
-        endLine = end;
+        entireFile = true;
+        startLine = 1;
+        endLine = lines.length;
       }
-    } else {
-      entireFile = true;
-      startLine = 1;
-      endLine = lines.length;
+
+      const whichLines = entireFile
+        ? ""
+        : startLine == endLine
+        ? "Line " + startLine
+        : "Lines " + startLine + "-" + endLine;
+
+      startLine--;
+      endLine--;
+
+      const targetLines = (
+        entireFile ? lines : lines.slice(startLine, endLine)
+      ).join("\n");
+
+      out +=
+        "**" +
+        fileName +
+        ": **" +
+        whichLines +
+        "\n```" +
+        fileType +
+        "\n" +
+        unindent(targetLines) +
+        "\n```\n";
     }
-
-    const whichLines = entireFile
-      ? ""
-      : startLine == endLine
-      ? "Line " + startLine
-      : "Lines " + startLine + "-" + endLine;
-
-    startLine--;
-    endLine--;
-
-    const targetLines = (
-      entireFile ? lines : lines.slice(startLine, endLine)
-    ).join("\n");
-
-    out +=
-      "**" +
-      fileName +
-      ": **" +
-      whichLines +
-      "\n```" +
-      fileType +
-      "\n" +
-      unindent(targetLines) +
-      "\n```\n";
   }
 
   if (out !== "")