diff --git a/crates/core/src/views.rs b/crates/core/src/views.rs
index d534ee2..b66f40a 100644
--- a/crates/core/src/views.rs
+++ b/crates/core/src/views.rs
@@ -154,6 +154,8 @@ fn powersync_trigger_insert_sql_impl(
       SELECT CASE
       WHEN (NEW.id IS NULL)
       THEN RAISE (FAIL, 'id is required')
+      WHEN (typeof(NEW.id) != 'text')
+      THEN RAISE (FAIL, 'id should be text')
       END;
       INSERT INTO {:}
       SELECT NEW.id, {:};