diff --git a/client/src/pages/survey.vue b/client/src/pages/survey.vue
index 07b6b36b..a02d8590 100644
--- a/client/src/pages/survey.vue
+++ b/client/src/pages/survey.vue
@@ -64,10 +64,8 @@
               // this means the answer comes from a matrix, where the keys are the labels and the values are the respective answers
               let answerObject = answer.answer;
               let keysAndValues = [];
-              for (let i in answerObject) {
-                if (answerObject.hasOwnProperty(i)) {
-                  keysAndValues.push(`${i}: ${answerObject[i]}`);
-                }
+              for (let prop of Object.keys(answerObject)) {
+                  keysAndValues.push(`${prop}: ${answerObject[prop]}`);
               }
               answerText = keysAndValues.join(', ');
             } else {