diff --git a/MANIFEST.in b/MANIFEST.in
index 521b9c00..98f78905 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,7 +3,7 @@ include setup*.py
 include MANIFEST.in
 include *.txt
 include Makefile
-recursive-include scikits *.pyx *.pxd *.py *.c *.h *.ini
+recursive-include scikits *.pyx *.pxd *.pxi *.py *.c *.h *.ini
 recursive-include scikits/image/data *
 
 include doc/Makefile