diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..450a9e0
Binary files /dev/null and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index b2987e3..b5244c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -131,3 +131,4 @@ bench/.java/
 .java/
 
 csrc/kss_cython.cpp
+csrc/sentence_splitter.o
diff --git a/MANIFEST.in b/MANIFEST.in
index b0a3d87..88d42de 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,5 @@
 exclude csrc/kss_cython.cpp
+exclude csrc/sentence_splitter.o
 include csrc/kss_cython.pyx
 include csrc/sentence_splitter.cpp
 include csrc/sentence_splitter.h