diff --git a/roomserver/internal/query/query.go b/roomserver/internal/query/query.go
index fa7196fdd..1c3a770f2 100644
--- a/roomserver/internal/query/query.go
+++ b/roomserver/internal/query/query.go
@@ -150,7 +150,7 @@ func (r *Queryer) QueryMissingAuthPrevEvents(
 
 	for _, prevEventID := range request.PrevEventIDs {
 		state, err := r.DB.StateAtEventIDs(ctx, []string{prevEventID})
-		if err != nil || len(state) == 0 || (state[0].EventTypeNID != types.MRoomCreateNID && state[0].EventStateKeyNID == types.EmptyStateKeyNID && state[0].BeforeStateSnapshotNID == 0) {
+		if err != nil || len(state) == 0 || ((state[0].EventTypeNID != types.MRoomCreateNID || state[0].EventStateKeyNID != types.EmptyStateKeyNID) && state[0].BeforeStateSnapshotNID == 0) {
 			response.MissingPrevEventIDs = append(response.MissingPrevEventIDs, prevEventID)
 		}
 	}