diff --git a/crypto/sql_store.go b/crypto/sql_store.go
index ffb83f90..8f6291cd 100644
--- a/crypto/sql_store.go
+++ b/crypto/sql_store.go
@@ -413,8 +413,10 @@ func (store *SQLCryptoStore) GetGroupSession(ctx context.Context, roomID id.Room
 			Reason:    withheldReason.String,
 		}
 	}
+	fmt.Printf("got here 1\n")
 	libolmIgs, goolmIgs, chains, rs, err := store.postScanInboundGroupSession(sessionBytes, ratchetSafetyBytes, forwardingChains.String)
 	if err != nil {
+		fmt.Printf("got here 2 %+v\n", err)
 		return nil, err
 	}
 	return &InboundGroupSession{
@@ -527,7 +529,7 @@ func (store *SQLCryptoStore) GetWithheldGroupSession(ctx context.Context, roomID
 
 func (store *SQLCryptoStore) postScanInboundGroupSession(sessionBytes, ratchetSafetyBytes []byte, forwardingChains string) (igs olm.InboundGroupSession, igsGoolm olm.InboundGroupSession, chains []string, safety RatchetSafety, err error) {
 	igs = libolm.NewBlankInboundGroupSession()
-	err = igs.Unpickle(sessionBytes, store.PickleKey)
+	err = igs.Unpickle(bytes.Clone(sessionBytes), store.PickleKey)
 	if err != nil {
 		return
 	}
diff --git a/crypto/store_test.go b/crypto/store_test.go
index c0ffa36b..b5ae113d 100644
--- a/crypto/store_test.go
+++ b/crypto/store_test.go
@@ -158,9 +158,7 @@ func TestStoreMegolmSession(t *testing.T) {
 			acc := NewOlmAccount()
 
 			internal, err := libolm.InboundGroupSessionFromPickled([]byte(groupSession), []byte("test"))
-			if err != nil {
-				t.Fatalf("Error creating internal inbound group session: %v", err)
-			}
+			require.NoError(t, err, "Error creating internal inbound group session")
 
 			internalGoolm, err := session.MegolmInboundSessionFromPickled([]byte(groupSession), []byte("test"))
 			require.NoError(t, err)
@@ -174,14 +172,10 @@ func TestStoreMegolmSession(t *testing.T) {
 			}
 
 			err = store.PutGroupSession(context.TODO(), igs)
-			if err != nil {
-				t.Errorf("Error storing inbound group session: %v", err)
-			}
+			require.NoError(t, err, "Error storing inbound group session")
 
 			retrieved, err := store.GetGroupSession(context.TODO(), "room1", igs.ID())
-			if err != nil {
-				t.Errorf("Error retrieving inbound group session: %v", err)
-			}
+			require.NoError(t, err, "Error retrieving inbound group session")
 
 			pickled, err := retrieved.InternalLibolm.Pickle([]byte("test"))
 			require.NoError(t, err)