diff --git a/src/lang.js b/src/lang.js
index 8d4fc16..d78d296 100644
--- a/src/lang.js
+++ b/src/lang.js
@@ -236,8 +236,8 @@
         var segments = key.split('.');
 
         return {
-            source: locale + '.' + segments[0].replace('/', '.'),
-            sourceFallback: this.getFallback() + '.' + segments[0].replace('/', '.'),
+            source: locale + '.' + segments[0].replace(/\//g, '.'),
+            sourceFallback: this.getFallback() + '.' + segments[0].replace(/\//g, '.'),
             entries: segments.slice(1)
         };
     };
diff --git a/test/fixture/messages.json b/test/fixture/messages.json
index 3eaab54..3777055 100644
--- a/test/fixture/messages.json
+++ b/test/fixture/messages.json
@@ -126,6 +126,9 @@
     "en.forum.thread": {
         "viewAllThreads": "View all threads"
     },
+    "en.dir1.dir2.child": {
+        "deeplynestedmessage": "Message from file 2 directories down"
+    },
     "ht.messages": {
         "home": "Ak\u00e8y",
         "login": "Aksede",
diff --git a/test/spec/lang_trans_spec.js b/test/spec/lang_trans_spec.js
index edca80d..7290ff2 100644
--- a/test/spec/lang_trans_spec.js
+++ b/test/spec/lang_trans_spec.js
@@ -39,6 +39,10 @@ describe('The lang.trans() method', function () {
         expect(lang.trans('forum/thread.viewAllThreads')).toBe('View all threads');
     });
 
+    it('should return the expected message inside a deeply nested directory', function () {
+        expect(lang.trans('dir1/dir2/child.deeplynestedmessage')).toBe('Message from file 2 directories down');
+    });
+
     it('should return the passed key when nested message does not point to a message', function () {
         expect(lang.trans('messages.family.children')).toBe('messages.family.children');
         expect(lang.trans('a.b.c.d.f.g.h.i.j.k')).toBe('a.b.c.d.f.g.h.i.j.k');