diff --git a/dv/uvm/core_ibex/yaml/rtl_simulation.yaml b/dv/uvm/core_ibex/yaml/rtl_simulation.yaml
index 84a86aed..4fe78111 100644
--- a/dv/uvm/core_ibex/yaml/rtl_simulation.yaml
+++ b/dv/uvm/core_ibex/yaml/rtl_simulation.yaml
@@ -241,6 +241,7 @@
         -elaborate
         -l <tb_build_log>
         -xmlibdirpath <tb_dir>
+        -access rw
         <cmp_opts> <cov_opts> <wave_opts> <cosim_opts>
     cov_opts: >
       -coverage all