diff --git a/scripts/maf_tile_2.py b/scripts/maf_tile_2.py
index 074ac2a..1504368 100755
--- a/scripts/maf_tile_2.py
+++ b/scripts/maf_tile_2.py
@@ -31,11 +31,10 @@
 
 import sys
 
-from cookbook import doc_optparse
-
 import bx.align as align
 import bx.align.maf as maf
 import bx.seq.nib
+from bx.cookbook import doc_optparse
 
 tree_tx = str.maketrans("(),", "   ")