diff --git a/.changeset/vercel-symlink-eexist.md b/.changeset/vercel-symlink-eexist.md
new file mode 100644
index 000000000000..133bbc970271
--- /dev/null
+++ b/.changeset/vercel-symlink-eexist.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-vercel': patch
+---
+
+fix: ignore `EEXIST` errors when symlinking traced files that resolve to the same destination
diff --git a/packages/adapter-vercel/index.js b/packages/adapter-vercel/index.js
index 126f1d2a5090..efe87962e314 100644
--- a/packages/adapter-vercel/index.js
+++ b/packages/adapter-vercel/index.js
@@ -601,7 +601,13 @@ async function create_function_bundle(builder, entry, dir, config) {
 
 		if (source !== realpath) {
 			const realdest = path.join(dir, path.relative(ancestor, realpath));
-			fs.symlinkSync(path.relative(path.dirname(dest), realdest), dest, is_dir ? 'dir' : 'file');
+			try {
+				fs.symlinkSync(path.relative(path.dirname(dest), realdest), dest, is_dir ? 'dir' : 'file');
+			} catch (error) {
+				// different traced paths can resolve to the same destination
+				// (e.g. multiple pnpm symlink chains pointing at the same real file)
+				if (/** @type {NodeJS.ErrnoException} */ (error).code !== 'EEXIST') throw error;
+			}
 		} else if (!is_dir) {
 			fs.copyFileSync(source, dest);
 		}