diff --git a/.gitignore b/.gitignore
index f0ea63716c1b5a8eda0fd2faea93562b701325b0..f87bc41702f02e531e27852a9e5c04011f2e5e54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ docs/mpi-start.tex
 docs/mpi-start.toc
 build
 src/mpi-start
+tests/test.o