diff --git a/matrix_sdk_crypto/benches/crypto_bench.rs b/matrix_sdk_crypto/benches/crypto_bench.rs
index 6467bb65..271be9b7 100644
--- a/matrix_sdk_crypto/benches/crypto_bench.rs
+++ b/matrix_sdk_crypto/benches/crypto_bench.rs
@@ -222,7 +222,7 @@ pub fn room_key_sharing(c: &mut Criterion) {
                     .unwrap();
             }
 
-            machine.invalidate_group_session(&room_id);
+            machine.invalidate_group_session(&room_id).await.unwrap();
         })
     });
 
@@ -258,7 +258,7 @@ pub fn room_key_sharing(c: &mut Criterion) {
                     .unwrap();
             }
 
-            machine.invalidate_group_session(&room_id);
+            machine.invalidate_group_session(&room_id).await.unwrap();
         })
     });
 
diff --git a/matrix_sdk_crypto/src/machine.rs b/matrix_sdk_crypto/src/machine.rs
index 4bb83afd..dba81260 100644
--- a/matrix_sdk_crypto/src/machine.rs
+++ b/matrix_sdk_crypto/src/machine.rs
@@ -1462,7 +1462,7 @@ pub(crate) mod test {
             .get_outbound_group_session(&room_id)
             .is_some());
 
-        machine.invalidate_group_session(&room_id);
+        machine.invalidate_group_session(&room_id).await.unwrap();
 
         assert!(machine
             .group_session_manager