diff --git a/srfi/.cvsignore b/srfi/.cvsignore
index 6c4e65b0c..30ce6d616 100644
--- a/srfi/.cvsignore
+++ b/srfi/.cvsignore
@@ -1,3 +1,4 @@
+*.c.clean.c
 *.la
 *.lo
 *.x