diff --git a/SWIG/.cvsignore b/SWIG/.cvsignore
index 198374f01..c1bba1668 100644
--- a/SWIG/.cvsignore
+++ b/SWIG/.cvsignore
@@ -1,3 +1,4 @@
+aclocal.m4
 config.*
 Makefile
 swig*