diff --git a/main/exercise/overview.php b/main/exercise/overview.php
index 0636459008..45acaf451f 100755
--- a/main/exercise/overview.php
+++ b/main/exercise/overview.php
@@ -388,10 +388,11 @@ if (!empty($attempts)) {
     $table_content = $table->toHtml();
 }
 
-if ($objExercise->selectAttempts()) {
-    $attempt_message = get_lang('Attempts').' '.$counter.' / '.$objExercise->selectAttempts();
+$selectAttempts = $objExercise->selectAttempts();
+if ($selectAttempts) {
+    $attempt_message = get_lang('Attempts').' '.$counter.' / '.$selectAttempts;
 
-    if ($counter == $objExercise->selectAttempts()) {
+    if ($counter == $selectAttempts) {
         $attempt_message = Display::return_message($attempt_message, 'error');
     } else {
         $attempt_message = Display::return_message($attempt_message, 'info');