diff --git a/scripts/check-entry-graphs.mjs b/scripts/check-entry-graphs.mjs
index a26291094..b3b033a73 100644
--- a/scripts/check-entry-graphs.mjs
+++ b/scripts/check-entry-graphs.mjs
@@ -12,7 +12,7 @@
  */
 
 import { existsSync, readdirSync, readFileSync, statSync } from "node:fs";
-import { dirname, relative, resolve } from "node:path";
+import { dirname, relative, resolve, sep } from "node:path";
 import { fileURLToPath } from "node:url";
 
 const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), "..");
@@ -153,7 +153,7 @@ for (const [pkgDir, budgets] of Object.entries(BUDGETS)) {
 				failures += 1;
 				continue;
 			}
-			const graph = [...walk(source)].map((file) => relative(ROOT, file));
+			const graph = [...walk(source)].map((file) => relative(ROOT, file).split(sep).join("/"));
 			if (graph.length > budget.maxFiles) {
 				console.error(
 					`${pkgDir} export "${name}" reaches ${graph.length} files, budget ${budget.maxFiles}\n` +