diff --git a/.gitignore b/.gitignore
index 5ed7e3cc517d8b31a604c92490a27fb23c75a581..a15b23809ff014bee59e53f9d0f7cabf62830ef0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ dist/*
 *.pyc
 *.so
 *disperse.c
-*interp.c
\ No newline at end of file
+*interp.c
+!*libshao.so
\ No newline at end of file