diff --git a/components/bin/copy b/components/bin/copy
index 8f41e5a08..f3bb6fc16 100755
--- a/components/bin/copy
+++ b/components/bin/copy
@@ -48,11 +48,10 @@ const bundle = (process.argv[3] || 'bundle');
 const json = path.resolve(process.argv[4] || '.', 'config.json');
 let configs = require(json).copy;
 if (!configs) process.exit();
-const wd = path.dirname(json);
-process.chdir(wd);
 if (!Array.isArray(configs)) {
   configs = [configs];
 }
+process.chdir(path.dirname(json));
 
 /**
  * Get the directory for node modules (either the parent of the MathJax directory,
@@ -61,6 +60,13 @@ if (!Array.isArray(configs)) {
 const parent = path.resolve(__dirname, '..', '..');
 const nodeDir = (dir => (fs.existsSync(dir) ? dir : path.resolve(parent, '..')))(path.join(parent, 'node_modules'));
 
+/**
+ * Other top-level directories
+ */
+const tsDir = path.resolve(parent, 'ts');
+const jsDir = path.resolve(parent, target);
+const bundleDir = path.resolve(parent, bundle);
+
 /**
  * Copy a file or directory tree
  *
@@ -84,14 +90,28 @@ function copyFile(from, to, name, space) {
   }
 }
 
+/**
+ * @param {string} name   The file name to process
+ * @returns {string}      The name with paths replaced by full directories
+ */
+function resolvePaths(name) {
+  return path.resolve(
+    process.cwd(),
+    name.replace(/^\[node\]/, nodeDir)
+      .replace(/^\[ts\]/, tsDir)
+      .replace(/^\[js\]/, jsDir)
+      .replace(/^\[bundle\]/, bundleDir)
+  );
+}
+
 /**
  * Handle the copying for a given configuration
  *
  * @param {{from: string, to: string, copy: string[]}} config  The configuration for the copy operation
  */
 function processConfig(config) {
-  const to = path.resolve(wd, config.to.replace(/\/bundle(\/|$)/, '/' + bundle + '$1'));
-  const from = path.resolve(wd, config.from.replace(/\[node\]/, nodeDir));
+  const to = resolvePaths(config.to);
+  const from = resolvePaths(config.from);
   for (const name of config.copy) {
     copyFile(from, to, name, '');
   }
diff --git a/components/mjs/a11y/sre/worker/config.json b/components/mjs/a11y/sre/worker/config.json
index c1303a29f..69b8c1079 100644
--- a/components/mjs/a11y/sre/worker/config.json
+++ b/components/mjs/a11y/sre/worker/config.json
@@ -3,8 +3,8 @@
     "name": "sre/speech-worker"
   },
   "copy": {
-    "to": "../../../../../bundle/sre",
-    "from": "../../../../../ts/a11y/sre",
+    "to": "[bundle]/sre",
+    "from": "[ts]/a11y/sre",
     "copy": [
       "require.mjs",
       "require.d.mts"
diff --git a/components/mjs/input/mml/extensions/mml3/config.json b/components/mjs/input/mml/extensions/mml3/config.json
index 4a0f06a9a..8afb7362f 100644
--- a/components/mjs/input/mml/extensions/mml3/config.json
+++ b/components/mjs/input/mml/extensions/mml3/config.json
@@ -6,8 +6,8 @@
     "excludeSubdirs": true
   },
   "copy": {
-    "to": "../../../../../../bundle/input/mml/extensions",
-    "from": "../../../../../../ts/input/mathml/mml3",
+    "to": "[bundle]/input/mml/extensions",
+    "from": "[ts]/input/mathml/mml3",
     "copy": [
       "mml3.sef.json"
     ]
diff --git a/components/mjs/node-main/config.json b/components/mjs/node-main/config.json
index da639e122..e5c5cea38 100644
--- a/components/mjs/node-main/config.json
+++ b/components/mjs/node-main/config.json
@@ -1,6 +1,6 @@
 {
   "copy": {
-    "to": "../../../bundle",
+    "to": "[bundle]",
     "from": ".",
     "copy": [
       "node-main.mjs",
diff --git a/components/mjs/require/config.json b/components/mjs/require/config.json
index 599ec23e9..7e23a1374 100644
--- a/components/mjs/require/config.json
+++ b/components/mjs/require/config.json
@@ -1,6 +1,6 @@
 {
   "copy": {
-    "to": "../../../bundle",
+    "to": "[bundle]",
     "from": "../..",
     "copy": [
       "require.mjs"
diff --git a/components/mjs/sre/config.json b/components/mjs/sre/config.json
index 5cca64ca2..ba603b8d9 100644
--- a/components/mjs/sre/config.json
+++ b/components/mjs/sre/config.json
@@ -1,6 +1,6 @@
 {
   "copy": {
-    "to": "../../../bundle/sre",
+    "to": "[bundle]/sre",
     "from": "[node]/speech-rule-engine/lib",
     "copy": [
       "mathmaps"