diff --git a/src/addon/mod/quiz/pages/player/player.ts b/src/addon/mod/quiz/pages/player/player.ts
index 611fc59e9..5d91f73e6 100644
--- a/src/addon/mod/quiz/pages/player/player.ts
+++ b/src/addon/mod/quiz/pages/player/player.ts
@@ -166,14 +166,17 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy {
     behaviourButtonClicked(button: any): void {
         // Confirm that the user really wants to do it.
         this.domUtils.showConfirm(this.translate.instant('core.areyousure')).then(() => {
-            const modal = this.domUtils.showModalLoading('core.sending', true),
-                answers = this.getAnswers();
+            const modal = this.domUtils.showModalLoading('core.sending', true);
 
-            // Add the clicked button data.
-            answers[button.name] = button.value;
+            // Get the answers.
+            return this.prepareAnswers().then((answers) => {
 
-            // Behaviour checks are always in online.
-            return this.quizProvider.processAttempt(this.quiz, this.attempt, answers, this.preflightData).then(() => {
+                // Add the clicked button data.
+                answers[button.name] = button.value;
+
+                // Behaviour checks are always in online.
+                return this.quizProvider.processAttempt(this.quiz, this.attempt, answers, this.preflightData);
+            }).then(() => {
                 this.reloadNavigaton = true; // Data sent to server, navigation should be reloaded.
 
                 // Reload the current page.
diff --git a/src/addon/qtype/multichoice/providers/handler.ts b/src/addon/qtype/multichoice/providers/handler.ts
index b543e3d97..440ab80e8 100644
--- a/src/addon/qtype/multichoice/providers/handler.ts
+++ b/src/addon/qtype/multichoice/providers/handler.ts
@@ -163,10 +163,9 @@ export class AddonQtypeMultichoiceHandler implements CoreQuestionHandler {
      */
     prepareAnswers(question: any, answers: any, offline: boolean, siteId?: string): void | Promise<any> {
         if (question && !question.multi && typeof answers[question.optionsName] != 'undefined' && !answers[question.optionsName]) {
-            /* It's a single choice and the user hasn't answered. Delete the answer and its sequencecheck because
+            /* It's a single choice and the user hasn't answered. Delete the answer because
                sending an empty string (default value) will mark the first option as selected. */
             delete answers[question.optionsName];
-            delete answers[question.optionsName.replace('answer', ':sequencecheck')];
         }
     }
 }