diff --git a/htdocs/admin/barcode.php b/htdocs/admin/barcode.php
index de05203f5f6..5b48301c30d 100644
--- a/htdocs/admin/barcode.php
+++ b/htdocs/admin/barcode.php
@@ -373,7 +373,7 @@ if ($conf->product->enabled) {
 					print '</td>';
 					print '<td class="nowrap">'.$modBarCode->getExample($langs)."</td>\n";
 
-					if ($conf->global->BARCODE_PRODUCT_ADDON_NUM == "$file") {
+					if (!empty($conf->global->BARCODE_PRODUCT_ADDON_NUM) && $conf->global->BARCODE_PRODUCT_ADDON_NUM == "$file") {
 						print '<td class="center"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?action=setbarcodeproductoff&token='.newToken().'&amp;value='.urlencode($file).'">';
 						print img_picto($langs->trans("Activated"), 'switch_on');
 						print '</a></td>';
diff --git a/htdocs/core/boxes/box_members_by_type.php b/htdocs/core/boxes/box_members_by_type.php
index 5b95b58d29d..0a5e4548e3f 100644
--- a/htdocs/core/boxes/box_members_by_type.php
+++ b/htdocs/core/boxes/box_members_by_type.php
@@ -68,7 +68,7 @@ class box_members_by_type extends ModeleBoxes
 			$this->enabled = 0; // disabled for external users
 		}
 
-		$this->hidden = !($user->rights->adherent->lire);
+		$this->hidden = !(!empty($conf->adherent->enabled) && $user->rights->adherent->lire);
 	}
 
 	/**
diff --git a/htdocs/core/boxes/box_members_last_modified.php b/htdocs/core/boxes/box_members_last_modified.php
index 9de6a3af12f..cf70bcafcb1 100644
--- a/htdocs/core/boxes/box_members_last_modified.php
+++ b/htdocs/core/boxes/box_members_last_modified.php
@@ -67,7 +67,7 @@ class box_members_last_modified extends ModeleBoxes
 			$this->enabled = 0; // disabled for external users
 		}
 
-		$this->hidden = !($user->rights->adherent->lire);
+		$this->hidden = !(!empty($conf->adherent->enabled) && $user->rights->adherent->lire);
 	}
 
 	/**
diff --git a/htdocs/core/boxes/box_members_last_subscriptions.php b/htdocs/core/boxes/box_members_last_subscriptions.php
index 3cea44c2dc3..949edd567f3 100644
--- a/htdocs/core/boxes/box_members_last_subscriptions.php
+++ b/htdocs/core/boxes/box_members_last_subscriptions.php
@@ -67,7 +67,7 @@ class box_members_last_subscriptions extends ModeleBoxes
 			$this->enabled = 0; // disabled for external users
 		}
 
-		$this->hidden = !($user->rights->adherent->lire);
+		$this->hidden = !(!empty($conf->adherent->enabled) && $user->rights->adherent->lire);
 	}
 
 	/**
diff --git a/htdocs/core/boxes/box_members_subscriptions_by_year.php b/htdocs/core/boxes/box_members_subscriptions_by_year.php
index be835511c6b..fe64f37c805 100644
--- a/htdocs/core/boxes/box_members_subscriptions_by_year.php
+++ b/htdocs/core/boxes/box_members_subscriptions_by_year.php
@@ -67,7 +67,7 @@ class box_members_subscriptions_by_year extends ModeleBoxes
 			$this->enabled = 0; // disabled for external users
 		}
 
-		$this->hidden = !($user->rights->adherent->lire);
+		$this->hidden = !(!empty($conf->adherent->enabled) && $user->rights->adherent->lire);
 	}
 
 	/**
diff --git a/htdocs/core/lib/barcode.lib.php b/htdocs/core/lib/barcode.lib.php
index 12022ed178c..702d6673527 100644
--- a/htdocs/core/lib/barcode.lib.php
+++ b/htdocs/core/lib/barcode.lib.php
@@ -59,7 +59,10 @@ if (empty($font_loc)) {
 if (defined('PHP-BARCODE_PATH_COMMAND')) {
 	$genbarcode_loc = constant('PHP-BARCODE_PATH_COMMAND');
 } else {
-	$genbarcode_loc = $conf->global->GENBARCODE_LOCATION;
+	$genbarcode_loc = '';
+	if (!empty($conf->global->GENBARCODE_LOCATION)) {
+		$genbarcode_loc = $conf->global->GENBARCODE_LOCATION;
+	}
 }