diff --git a/PIL/FliImagePlugin.py b/PIL/FliImagePlugin.py
index a2d0e0fab..2a9145b42 100644
--- a/PIL/FliImagePlugin.py
+++ b/PIL/FliImagePlugin.py
@@ -38,7 +38,7 @@ class FliImageFile(ImageFile.ImageFile):
     format = "FLI"
     format_description = "Autodesk FLI/FLC Animation"
     _close_exclusive_fp_after_loading = False
-    
+
     def _open(self):
 
         # HEAD
@@ -56,7 +56,7 @@ class FliImageFile(ImageFile.ImageFile):
         # animation speed
         duration = i32(s[16:20])
         if magic == 0xAF11:
-            duration = (duration * 1000) / 70
+            duration = (duration * 1000) // 70
         self.info["duration"] = duration
 
         # look for palette
@@ -176,6 +176,7 @@ class FliImageFile(ImageFile.ImageFile):
     def tell(self):
         return self.__frame
 
+
 #
 # registry