diff --git a/SQLite.xs b/SQLite.xs
index ffae61d..67b1563 100644
--- a/SQLite.xs
+++ b/SQLite.xs
@@ -21,7 +21,7 @@ list_tables(dbh)
     OUTPUT:
         RETVAL
 
-int
+IV
 last_insert_rowid(dbh)
     SV *dbh
     CODE: