diff --git a/swf/movie.py b/swf/movie.py
index 3fd9746..e3d1809 100644
--- a/swf/movie.py
+++ b/swf/movie.py
@@ -157,9 +157,9 @@ def parse(self, data):
                 temp.write(pylzma.decompress(data))
             temp.seek(0)
             data = SWFStream(temp)
-        self._header._frame_size = data.readRECT()
-        self._header._frame_rate = data.readFIXED8()
-        self._header._frame_count = data.readUI16()
+            self._header._frame_size = data.readRECT()
+            self._header._frame_rate = data.readFIXED8()
+            self._header._frame_count = data.readUI16()
         self.parse_tags(data)
         
     def __str__(self):