diff --git a/client/src/pages/presentationEditor/components/answerComponents/AnswerMultiple.tsx b/client/src/pages/presentationEditor/components/answerComponents/AnswerMultiple.tsx
index d95c735507090f3d88a518f26bb216f506b9f661..ac59cc7fd7b2e61b29915b956386c2586fd49b91 100644
--- a/client/src/pages/presentationEditor/components/answerComponents/AnswerMultiple.tsx
+++ b/client/src/pages/presentationEditor/components/answerComponents/AnswerMultiple.tsx
@@ -53,7 +53,7 @@ const AnswerMultiple = ({ variant, activeSlide, competitionId }: AnswerMultipleP
     }
     const url = `/api/competitions/${competitionId}/teams/${teamId}/answers/${alternative.id}`
     const payload = {
-      answer: checked ? 1 : 0,
+      answer: checked ? '1' : '0',
     }
     await axios
       .put(url, payload)
diff --git a/client/src/pages/presentationEditor/components/answerComponents/AnswerSingle.tsx b/client/src/pages/presentationEditor/components/answerComponents/AnswerSingle.tsx
index 901e37c3de26930bff64d802ba685f46dfbaf112..13c40a299672c127cab16bc32d9da7faf14c4618 100644
--- a/client/src/pages/presentationEditor/components/answerComponents/AnswerSingle.tsx
+++ b/client/src/pages/presentationEditor/components/answerComponents/AnswerSingle.tsx
@@ -58,12 +58,12 @@ const AnswerSingle = ({ variant, activeSlide, competitionId }: AnswerSingleProps
     const alternatives = activeSlide.questions[0].alternatives
     for (const alt of alternatives) {
       const url = `/api/competitions/${competitionId}/teams/${teamId}/answers/${alt.id}`
-      await axios.put(url, { answer: 0 })
+      await axios.put(url, { answer: '0' })
     }
     // Update selected alternative
     const url = `/api/competitions/${competitionId}/teams/${teamId}/answers/${alternative.id}`
     await axios
-      .put(url, { answer: 1 })
+      .put(url, { answer: '1' })
       .then(() => {
         if (variant === 'editor') {
           dispatch(getEditorCompetition(competitionId))