diff --git a/main/exercise/answer.class.php b/main/exercise/answer.class.php
index 7133fcc3544..7f0af69233b 100755
--- a/main/exercise/answer.class.php
+++ b/main/exercise/answer.class.php
@@ -1050,7 +1050,7 @@ public function duplicate($newQuestion, $course_info = null)
             }
 
             // Fix correct answers
-            if (in_array($newQuestion->type, [DRAGGABLE, MATCHING, MATCHING_DRAGGABLE])) {
+            if (in_array($newQuestion->type, [DRAGGABLE, MATCHING, MATCHING_DRAGGABLE, MATCHING_COMBINATION, MATCHING_DRAGGABLE_COMBINATION])) {
                 $onlyAnswersFlip = array_flip($onlyAnswers);
                 foreach ($correctAnswers as $answer_id => $correct_answer) {
                     $params = [];