diff --git a/zshrc b/zshrc
index 0c80e46..7fc2ced 100644
--- a/zshrc
+++ b/zshrc
@@ -160,7 +160,7 @@ fi
 alias wotgobblemem='ps -o time,ppid,pid,nice,pcpu,pmem,user,comm -A | sort -n -k 6 | tail -15'
 
 # Afficher uniquement le processus à partir de ps
-alias px='ps faux|grep -v grep|grep -i -e VSZ -e '
+alias px='ps faux|grep -v grep|grep -iE -e VSZ -e '
 
 # Décompression
 alias untargz='tar -zxvf'