diff --git a/htdocs/compta/stats/cabyprodserv.php b/htdocs/compta/stats/cabyprodserv.php
index b8f6327ccd5..ca8b35e739d 100644
--- a/htdocs/compta/stats/cabyprodserv.php
+++ b/htdocs/compta/stats/cabyprodserv.php
@@ -323,7 +323,7 @@ if ($modecompta == 'CREANCES-DETTES') {
 	}
 	if ($selected_cat === -2) {	// Without any category
 		$sql .= " AND cp.fk_product is null";
-	} elseif ($selected_cat) {	// Into a specific category
+	} elseif ($selected_cat > 0) {	// Into a specific category
 		if ($subcat) {
 			$TListOfCats = $categorie->get_full_arbo('product', $selected_cat, 1);