diff --git a/qemu-adm b/qemu-adm
index cbae450..60bee3e 100755
--- a/qemu-adm
+++ b/qemu-adm
@@ -137,7 +137,7 @@ creeMV()
 				if [[ ${temoin_b} -ne 1 ]]; then
 					case ${1} in
 						"ovmf"|"OVMF")
-							if [[ ! $(ls /usr/share/ovmf/OVMF.fd 2>/dev/null) ]]; then
+							if [[ ! -f "/usr/share/ovmf/OVMF.fd" ]]; then
 								die "Le paquet ovmf n'est pas installé." 6
 							fi
 							commandes_a_executer+=( "nouvMV bios $(echo ${1} | tr '[:lower:]' '[:upper:]')")