diff --git a/examples/9/clean b/examples/9/clean
index a649d3c4f1280d2d7cab5350945828ed06dc134d..0d64aefdef6d2368cc070b20e575ca5e6ce127f4 100755
--- a/examples/9/clean
+++ b/examples/9/clean
@@ -4,3 +4,4 @@ rm -rf example
 rm  -rf +example
 rm -f example.log
 rm -f *.mat
+rm *.m