diff --git a/src/misc/packagejson.ts b/src/misc/packagejson.ts
index 1d3e37e..2ccd7f4 100644
--- a/src/misc/packagejson.ts
+++ b/src/misc/packagejson.ts
@@ -114,6 +114,10 @@ export function getPackageJsonInfo(tofile: FilePath): PackageJsonInfo {
             // This documentation is better than the NodeJS documentation: https://webpack.js.org/guides/package-exports/
             // TODO: negative patterns, e.g., {"./test/*": null}
             exports = [];
+            if (f.main)
+                exports.push(f.main);
+            if (f.module)
+                exports.push(f.main);
             const queue = [f.exports];
             while (queue.length > 0) {
                 const exp = queue.pop();