diff --git a/PIL/FliImagePlugin.py b/PIL/FliImagePlugin.py
index 1acae31bf..178623951 100644
--- a/PIL/FliImagePlugin.py
+++ b/PIL/FliImagePlugin.py
@@ -130,7 +130,7 @@ class FliImageFile(ImageFile.ImageFile):
         for f in range(self.__frame + 1, frame + 1):
             self._seek(f)
 
-    def seek(self, frame):
+    def _seek(self, frame):
 
         if frame == 0:
             self.__frame = -1