diff --git a/haini.sh b/haini.sh
index de776af..9daeef1 100755
--- a/haini.sh
+++ b/haini.sh
@@ -1,9 +1,8 @@
 #!/bin/sh
 # Fallar ante cualquier error
 set -e
-set -E
 
-DIR="`realpath $0 | xargs -r dirname`"
+DIR="$(realpath "$0" | xargs -r dirname)"
 
 # Por ahora sólo soportamos x86_64
 uname -m | grep -q x86_64 || exit 1