diff --git a/dockers/Screenshotter/screenshotter.js b/dockers/Screenshotter/screenshotter.js
index 968a717..045813e 100644
--- a/dockers/Screenshotter/screenshotter.js
+++ b/dockers/Screenshotter/screenshotter.js
@@ -291,7 +291,7 @@ function findHostIP() {
     }
     if (katexIP !== "*any*" || katexURL) {
         if (!katexURL) {
-            katexURL = "http://" + katexIP + ":" + katexPort + "/";
+            katexURL = "http://" + katexIP + ":" + katexPort + "/babel/";
             console.log("KaTeX URL is " + katexURL);
         }
         process.nextTick(takeScreenshots);
@@ -303,7 +303,7 @@ function findHostIP() {
     app.get("/ss-connect.js", function(req, res, next) {
         if (!katexURL) {
             katexIP = req.query.ip;
-            katexURL = "http://" + katexIP + ":" + katexPort + "/";
+            katexURL = "http://" + katexIP + ":" + katexPort + "/babel/";
             console.log("KaTeX URL is " + katexURL);
             process.nextTick(takeScreenshots);
         }
diff --git a/server.js b/server.js
index 9a2b47a..c7a1ae3 100644
--- a/server.js
+++ b/server.js
@@ -15,7 +15,7 @@ if (require.main === module) {
         ":date[iso] :method :url HTTP/:http-version - :status"));
 }
 
-var serveBrowserified = function(file, standaloneName) {
+function serveBrowserified(file, standaloneName, doBabelify) {
     return function(req, res, next) {
         let files;
         if (Array.isArray(file)) {
@@ -26,9 +26,10 @@ var serveBrowserified = function(file, standaloneName) {
             files = [path.join(__dirname, file)];
         }
 
-        const options = {
-            transform: [babelify]
-        };
+        const options = {};
+        if (doBabelify) {
+            options.transform = [babelify];
+        }
         if (standaloneName) {
             options.standalone = standaloneName;
         }
@@ -43,22 +44,32 @@ var serveBrowserified = function(file, standaloneName) {
             res.send(body);
         });
     };
-};
+}
 
-app.get("/katex.js", serveBrowserified("katex", "katex"));
-app.use("/test/jasmine",
-    express["static"](
-        path.dirname(
-            require.resolve("jasmine-core/lib/jasmine-core/jasmine.js")
-        )
-    )
-);
-app.get("/test/katex-spec.js", serveBrowserified("test/*[Ss]pec.js"));
-app.get("/contrib/auto-render/auto-render.js",
-        serveBrowserified("contrib/auto-render/auto-render",
-                          "renderMathInElement"));
+function twoBrowserified(url, file, standaloneName) {
+    app.get(url, serveBrowserified(file, standaloneName, false));
+    app.get("/babel" + url, serveBrowserified(file, standaloneName, true));
+}
 
-app.get("/katex.css", function(req, res, next) {
+function twoUse(url, handler) {
+    app.use(url, handler);
+    app.use("/babel" + url, handler);
+}
+
+function twoStatic(url, file) {
+    twoUse(url, express.static(path.join(__dirname, file)));
+}
+
+twoBrowserified("/katex.js", "katex", "katex");
+twoUse("/test/jasmine", express.static(path.dirname(
+    require.resolve("jasmine-core/lib/jasmine-core/jasmine.js"))));
+twoBrowserified("/test/katex-spec.js", "test/*[Ss]pec.js");
+twoBrowserified(
+    "/contrib/auto-render/auto-render.js",
+    "contrib/auto-render/auto-render",
+    "renderMathInElement");
+
+twoUse("/katex.css", function(req, res, next) {
     const lessfile = path.join(__dirname, "static", "katex.less");
     fs.readFile(lessfile, {encoding: "utf8"}, function(err, data) {
         if (err) {
@@ -82,12 +93,10 @@ app.get("/katex.css", function(req, res, next) {
     });
 });
 
-app.use(express["static"](path.join(__dirname, "static")));
-app.use(express["static"](path.join(__dirname, "build")));
-app.use("/test", express["static"](path.join(__dirname, "test")));
-app.use("/contrib", express["static"](path.join(__dirname, "contrib")));
-// app.use("/unicode-fonts",
-//     express["static"](path.join(__dirname, "static", "unicode-fonts")));
+twoStatic("", "static");
+twoStatic("", "build");
+twoStatic("/test", "test");
+twoStatic("/contrib", "contrib");
 
 app.use(function(err, req, res, next) {
     console.error(err.stack);
diff --git a/test/screenshotter/test.html b/test/screenshotter/test.html
index 3694ba9..4d9745f 100644
--- a/test/screenshotter/test.html
+++ b/test/screenshotter/test.html
@@ -2,8 +2,8 @@
 <html>
   <head>
     <title>Screenshotter test</title>
-    <script src="/katex.js" type="text/javascript"></script>
-    <link href="/katex.css" rel="stylesheet" type="text/css">
+    <script src="../../katex.js" type="text/javascript"></script>
+    <link href="../../katex.css" rel="stylesheet" type="text/css">
     <style type="text/css">
       #math, #pre, #post {
         font-size: 4em;