diff --git a/htdocs/core/tpl/objectline_view.tpl.php b/htdocs/core/tpl/objectline_view.tpl.php
index d4a4f6a0573..5c955c56ff3 100644
--- a/htdocs/core/tpl/objectline_view.tpl.php
+++ b/htdocs/core/tpl/objectline_view.tpl.php
@@ -184,15 +184,14 @@ if (($line->info_bits & 2) == 2) {
 		if (!$line->date_start || !$line->date_end) {
 			// show warning under line
 			// we need to fetch product associated to line for some test
-			if ($object->element != 'order_supplier'){
-			$res = $line->fetch_product();
-			if ($res  > 0  ) {
-				if ($line->product->isService() && $line->product->isMandatoryPeriod()) {
-					print '<div><span class="clearboth nowraponall warning">'.$langs->trans("mandatoryPeriodNeedTobeSet").'</span></div>';
+			if ($object->element != 'order_supplier') {
+				$res = $line->fetch_product();
+				if ($res  > 0  ) {
+					if ($line->product->isService() && $line->product->isMandatoryPeriod()) {
+						print '<div><span class="clearboth nowraponall warning">'.$langs->trans("mandatoryPeriodNeedTobeSet").'</span></div>';
+					}
 				}
 			}
-			}
-
 		}