diff --git a/.changeset/good-ghosts-rush.md b/.changeset/good-ghosts-rush.md
new file mode 100644
index 000000000..6032f6f14
--- /dev/null
+++ b/.changeset/good-ghosts-rush.md
@@ -0,0 +1,5 @@
+---
+'@powersync/web': minor
+---
+
+Determining `node_modules` location via `require.resolve` for the `copy-assets` command. Fixes use cases where `node_modules` location might differ such as in a monorepo.
diff --git a/packages/web/bin/powersync.js b/packages/web/bin/powersync.js
index 8f57486ef..60dec0ab9 100755
--- a/packages/web/bin/powersync.js
+++ b/packages/web/bin/powersync.js
@@ -13,12 +13,14 @@ program
   .description('Copy assets to the specified output directory')
   .option('-o, --output <directory>', 'output directory for assets', 'public')
   .action(async (options) => {
+    const resolvedPath = require.resolve('@powersync/web/umd');
     const outputDir = options.output;
 
+    console.log(`Resolved input path: ${resolvedPath}`);
     console.log(`Target directory: ${outputDir}`);
 
     const cwd = process.cwd();
-    const source = path.join(cwd, 'node_modules', '@powersync', 'web', 'dist');
+    const source = path.join(path.dirname(resolvedPath));
     const destination = path.join(cwd, outputDir, '@powersync');
 
     await fsPromise.rm(destination, { recursive: true, force: true }); // Clear old assets