diff --git a/src/services/api/api.service.js b/src/services/api/api.service.js
index 37b2062d..c942535e 100644
--- a/src/services/api/api.service.js
+++ b/src/services/api/api.service.js
@@ -483,7 +483,7 @@ const fetchConversation = ({ id, credentials }) => {
       if (data.ok) {
         return data
       }
-      throw new Error(['Error fetching timeline', errorStatusMapper(data)])
+      throw new Error('Error fetching timeline', errorStatusMapper(data))
     })
     .then((data) => data.json())
     .then(({ ancestors, descendants }) => ({
@@ -499,7 +499,7 @@ const fetchStatus = ({ id, credentials }) => {
       if (data.ok) {
         return data
       }
-      throw new Error(['Error fetching timeline', errorStatusMapper(data)])
+      throw new Error('Error fetching timeline', errorStatusMapper(data))
     })
     .then((data) => data.json())
     .then((data) => parseStatus(data))