diff --git a/.cvsignore b/.cvsignore
index 7f8fcb83b..95d0a2caf 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -5,6 +5,7 @@ bootstrap
 distribution
 *.el
 *.ipr
+*.iws
 *.pif
 velocity.log