diff --git a/simgear/props/.cvsignore b/simgear/props/.cvsignore
index e9955884..86a581b1 100644
--- a/simgear/props/.cvsignore
+++ b/simgear/props/.cvsignore
@@ -1,3 +1,4 @@
 .deps
 Makefile
 Makefile.in
+props_test