diff --git a/evocheck.sh b/evocheck.sh
index 3f6b7e2..16b7aab 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -788,9 +788,9 @@ if is_debian; then
 
     # Verification de la priorité du package samba si les backports sont utilisés
     if [ "$IS_SAMBAPINPRIORITY" = 1 ]; then
-        if is_pack_samba; then
+        if is_debian_lenny && is_pack_samba; then
             if grep -qrE "^[^#].*backport" /etc/apt/sources.list{,.d}; then
-                priority=$(grep -E -A2 "^Package:.*samba" /etc/apt/preferences | grep -A1 "^Pin: release a=.*-backports" | grep "^Pin-Priority:" | cut -f2 -d" ")
+                priority=$(grep -E -A2 "^Package:.*samba" /etc/apt/preferences | grep -A1 "^Pin: release a=lenny-backports" | grep "^Pin-Priority:" | cut -f2 -d" ")
                 test "$priority" -gt 500 || failed "IS_SAMBAPINPRIORITY"
             fi
         fi