diff --git a/src/ld65/.cvsignore b/src/ld65/.cvsignore
index 23f94a81a..2791555ac 100644
--- a/src/ld65/.cvsignore
+++ b/src/ld65/.cvsignore
@@ -19,4 +19,5 @@ nes.inc
 none.inc
 pet.inc
 plus4.inc
+supervision.inc
 vic20.inc