diff --git a/htdocs/compta/bank/line.php b/htdocs/compta/bank/line.php
index f869229c09c..4db87213d5d 100644
--- a/htdocs/compta/bank/line.php
+++ b/htdocs/compta/bank/line.php
@@ -257,10 +257,14 @@ $form = new Form($db);
 
 llxHeader('', $langs->trans("BankTransaction"));
 
+$arrayselected = array();
+
 $c = new Categorie($db);
 $cats = $c->containing($rowid, Categorie::TYPE_BANK_LINE);
-foreach ($cats as $cat) {
-	$arrayselected[] = $cat->id;
+if (is_array($cats)) {
+	foreach ($cats as $cat) {
+		$arrayselected[] = $cat->id;
+	}
 }
 
 $head = bankline_prepare_head($rowid);
@@ -570,11 +574,15 @@ if ($result) {
 			// Bank line
 			print '<tr><td class="toptd">'.$form->editfieldkey('RubriquesTransactions', 'custcats', '', $object, 0).'</td><td>';
 			$cate_arbo = $form->select_all_categories(Categorie::TYPE_BANK_LINE, null, 'parent', null, null, 1);
+
 			$arrayselected = array();
+
 			$c = new Categorie($db);
 			$cats = $c->containing($bankline->id, Categorie::TYPE_BANK_LINE);
-			foreach ($cats as $cat) {
-				$arrayselected[] = $cat->id;
+			if (is_array($cats)) {
+				foreach ($cats as $cat) {
+					$arrayselected[] = $cat->id;
+				}
 			}
 			print img_picto('', 'category', 'class="paddingright"').$form->multiselectarray('custcats', $cate_arbo, $arrayselected, null, null, null, null, "90%");
 			print "</td></tr>";