diff --git a/.gitignore b/.gitignore
index b90359af5f..f577f98423 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ src/test/Makefile.in
 src/test/Makefile.in
 src/test/test_bitcoin
 src/build-aux/
+build-aux/
 src/stamp-h1
 
 #ignore files created during make