diff --git a/error_test.go b/error_test.go
index b3f8447..0f92881 100644
--- a/error_test.go
+++ b/error_test.go
@@ -27,7 +27,9 @@ func TestFailures(t *testing.T) {
 	if err == nil {
 		_, err = db.Exec("drop table foo")
 	}
-	if err.Code != ErrNotADB {
+
+	sqliteErr := err.(Error)
+	if sqliteErr.Code != ErrNotADB {
 		t.Error("wrong error code for corrupted DB")
 	}
 	if err.Error() == "" {