diff --git a/.gitignore b/.gitignore
index 9acf374b..a25aaf7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,6 +44,8 @@
 /src/*.[od]
 /src/*.sym
 
+/run_tests.out/
+
 /test/test.sh
 test/include/test/jemalloc_test.h
 test/include/test/jemalloc_test_defs.h