diff --git a/.changeset/early-worms-compare.md b/.changeset/early-worms-compare.md
new file mode 100644
index 0000000..dbc3821
--- /dev/null
+++ b/.changeset/early-worms-compare.md
@@ -0,0 +1,5 @@
+---
+'@team-plain/typescript-sdk': patch
+---
+
+add \_\_typename to all status details
diff --git a/src/graphql/fragments/statusDetailParts.gql b/src/graphql/fragments/statusDetailParts.gql
index 42d7083..d032947 100644
--- a/src/graphql/fragments/statusDetailParts.gql
+++ b/src/graphql/fragments/statusDetailParts.gql
@@ -13,11 +13,13 @@ fragment ThreadStatusDetailParts on ThreadStatusDetail {
     }
   }
   ... on ThreadStatusDetailInProgress {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }
   }
   ... on ThreadStatusDetailThreadDiscussionResolved {
+    __typename
     threadDiscussionId
     statusChangedAt {
       ...DateTimeParts
@@ -33,11 +35,13 @@ fragment ThreadStatusDetailParts on ThreadStatusDetail {
 
   # SNOOZED status details
   ... on ThreadStatusDetailWaitingForCustomer {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }
   }
   ... on ThreadStatusDetailWaitingForDuration {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }
@@ -48,17 +52,20 @@ fragment ThreadStatusDetailParts on ThreadStatusDetail {
 
   # DONE status details
   ... on ThreadStatusDetailDoneManuallySet {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }
   }
   ... on ThreadStatusDetailDoneAutomaticallySet {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }
     afterSeconds
   }
   ... on ThreadStatusDetailIgnored {
+    __typename
     statusChangedAt {
       ...DateTimeParts
     }