diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 05346c589b9..e8b0a9c3fe8 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1896,7 +1896,7 @@ class ActionComm extends CommonObject
 	/**
 	 *  Return label of type of event
 	 *
-	 *  @param	string	$mode			0=Mode short, 1=Mode long
+	 *  @param	int		$mode			0=Mode short, 1=Mode long
 	 *  @return	string					HTML String
 	 */
 	public function getTypeLabel($mode = 0)
diff --git a/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php b/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
index b24a990d57c..2f367eea676 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_zenith.modules.php
@@ -1382,7 +1382,7 @@ class pdf_zenith extends ModelePDFSupplierProposal
 			} else {
 				$arrayidcontact = array_merge($object->getIdContact('external', 'CUSTOMER'), $object->getIdContact('external', 'BILLING'));
 			}
-			if (count($arrayidcontact) > 0) {
+			if (is_array($arrayidcontact) && count($arrayidcontact) > 0) {
 				$usecontact = true;
 				$result = $object->fetch_contact($arrayidcontact[0]);
 			}