diff --git a/main.py b/main.py
index 4a73d8a..c91f3d5 100644
--- a/main.py
+++ b/main.py
@@ -166,7 +166,7 @@ class SignalAPI:
         if r.status_code == 204:
             return Ok(None)
         else:
-            return Err(r.json().error)
+            return Err(r.json()['error'])
 
     def remove_group_admins(self, group_id: str, admins: List[str]) -> Result[None, str]:
         r = requests.delete(f"{self.apiurl}/v1/groups/{self.number}/{group_id}/admins", json={"admins": admins})
@@ -174,7 +174,7 @@ class SignalAPI:
         if r.status_code == 204:
             return Ok(None)
         else:
-            return Err(r.json().error)
+            return Err(r.json()['error'])
 
     def update_group_admins(self, group_id: str, other_admins: List[str], remove: bool = True) -> Result[Changes[str], str]:
         # Add and remove admins from the group, such that the only remaining
@@ -233,7 +233,7 @@ class SignalAPI:
         if r.status_code == 201:
             return parse_response(SendMessageResponse, r.text)
         else:
-            return Err("Failed to send message")
+            return Err(r.json()['error'])
 
 
 class LabCleaningBot: