diff --git a/src/rules/no-internal-import.js b/src/rules/no-internal-import.js
index 90f2152..165bea3 100644
--- a/src/rules/no-internal-import.js
+++ b/src/rules/no-internal-import.js
@@ -42,18 +42,22 @@ export const create = context => {
     // supposed to be part of the public API of the package
     const absolutePathsForFiles =
       matchedPackage.package.files &&
-      matchedPackage.package.files.map(file => {
+      matchedPackage.package.files.reduce((acc, file) => {
         const fileOrDirOrGlob = path.join(packageRoot, file);
+        acc.push(fileOrDirOrGlob);
 
         try {
           if (fs.lstatSync(fileOrDirOrGlob).isDirectory()) {
-            return path.join(fileOrDirOrGlob, '**', '*');
+            // Need to also include
+            // all of the files inside the folder
+            acc.push(path.join(fileOrDirOrGlob, '**', '*'));
           }
-          return fileOrDirOrGlob;
         } catch (e) {
-          return fileOrDirOrGlob;
+          // do nothing
         }
-      });
+
+        return acc;
+      }, []);
     const absoluteInternalPath = path.join(packageRoot, internalPath);
 
     if (absolutePathsForFiles) {
diff --git a/test/fixture/yarn/packages/bar/nested/index.js b/test/fixture/yarn/packages/bar/nested/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/test/rules/no-internal-import.test.js b/test/rules/no-internal-import.test.js
index 4a8bdab..5620661 100644
--- a/test/rules/no-internal-import.test.js
+++ b/test/rules/no-internal-import.test.js
@@ -29,6 +29,14 @@ ruleTester.run(RULE, monorepo.rules[RULE], {
       code: `import { pkg } from 'bar/nested/allowedToo'`,
       filename: path.join(fixtures, 'packages/bar/index.js'),
     },
+    {
+      code: `import { pkg } from 'bar/nested'`,
+      filename: path.join(fixtures, 'packages/bar/index.js'),
+    },
+    {
+      code: `import { pkg } from 'non-existent-package/nested'`,
+      filename: path.join(fixtures, 'packages/bar/index.js'),
+    },
     {
       code: `import { pkg } from 'bar/nested/this/is/also/allowed'`,
       filename: path.join(fixtures, 'packages/bar/index.js'),