diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
index 81f1987b5..c49dfe8b0 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
@@ -409,18 +409,27 @@ sub getSkin {
     $req->{sessionInfo}->{ipAddr} ||= $req->address;
 
     # Load specific skin from skinRules
-    foreach my $rule ( @{ $self->conf->{skinRules} } ) {
+    foreach my $rule ( @{ $self->{skinRules} } ) {
         if ( $rule->[1]->( $req, $req->sessionInfo ) ) {
-            $skin = $rule->[0];
-            $self->logger->debug("Skin $skin selected from skin rule");
+            if ( -d $self->conf->{templateDir} . '/' . $rule->[0] ) {
+                $skin = $rule->[0];
+                $self->logger->debug("Skin $skin selected from skin rule");
+                last;
+            }
         }
     }
 
     # Check skin GET/POST parameter
     my $skinParam = $req->param('skin');
-    if ( defined $skinParam && !$self->checkXSSAttack( 'skin', $skinParam ) ) {
-        $skin = $skinParam;
-        $self->logger->debug("Skin $skin selected from GET/POST parameter");
+    if ( defined $skinParam and !$self->checkXSSAttack( 'skin', $skinParam ) ) {
+        if ( -d $self->conf->{templateDir} . '/' . $skinParam ) {
+            $skin = $skinParam;
+            $self->logger->debug("Skin $skin selected from GET/POST parameter");
+        }
+        else {
+            $self->userLogger->error(
+                "User tries to access to unexistent skin dir $skinParam");
+        }
     }
 
     return $skin;
diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Init.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Init.pm
index b3f4a2faf..31affdb0e 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Init.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Init.pm
@@ -170,6 +170,10 @@ sub reloadConf {
     # Initialize templateDir
     $self->{templateDir} =
       $self->conf->{templateDir} . '/' . $self->conf->{portalSkin};
+    unless ( -d $self->{templateDir} ) {
+        $self->error("Template dir $self->{templateDir} doesn't exist");
+        return $self->fail;
+    }
 
     $self->{staticPrefix} = $self->conf->{staticPrefix} || '/static';
     $self->{languages}    = $self->conf->{languages}    || '/';