diff --git a/simgear/misc/.cvsignore b/simgear/misc/.cvsignore
index 23b445b5..59f99bc4 100644
--- a/simgear/misc/.cvsignore
+++ b/simgear/misc/.cvsignore
@@ -3,3 +3,4 @@ Makefile
 Makefile.in
 props_test
 tabbed_value_test
+swap_test