diff --git a/.gitignore b/.gitignore
index 6ad374d959e6b8a689e4d32d6fff47e7b5bd26b4..2f999520352765ae82c41649571753a48d2d7b2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -80,6 +80,7 @@ Makefile
 /test/fips_rngvs
 /test/fips_test_suite
 /test/ssltest_old
+/test/x509aux
 *.so*
 *.dylib*
 *.dll*