diff --git a/config/.cvsignore b/config/.cvsignore
index c7b254a9a..4343da8f5 100644
--- a/config/.cvsignore
+++ b/config/.cvsignore
@@ -2,3 +2,4 @@ configure.in_particles
 config.status
 config.log
 autom4te.cache 
+e.out