diff --git a/daemon/.gitignore b/daemon/.gitignore
index f3ac37f26d20da7cd5004287d783a6895bc8c4d5..c071c8b9bd19fe3ce5ff12e85234057e6a2f256e 100644
--- a/daemon/.gitignore
+++ b/daemon/.gitignore
@@ -1,4 +1,5 @@
 aclocal.m4
+build-aux
 
 configure
 src/dbus/org.sflphone.SFLphone.service