diff --git a/utils/fcaption b/utils/fcaption
index d0952a1..ce3fcbe 100755
--- a/utils/fcaption
+++ b/utils/fcaption
@@ -219,15 +219,14 @@ class MainWindow(QtGui.QMainWindow):
 # main application
 def expand_dir(path):
     for root, dirs, files in os.walk(path):
-        if files is not None:
-            files.sort()
-            for tmp in files:
-                if tmp[0] == '.': continue
-                tmp = os.path.join(root, tmp)
-                ext = os.path.splitext(tmp)[1]
-                if ext: ext = ext[1:].lower()
-                if ext in FILE_EXT:
-                    yield tmp
+        files.sort()
+        for tmp in files:
+            if tmp[0] == '.': continue
+            tmp = os.path.join(root, tmp)
+            ext = os.path.splitext(tmp)[1]
+            if ext: ext = ext[1:].lower()
+            if ext in FILE_EXT:
+                yield tmp
 
 
 class Application(QtGui.QApplication):