diff --git a/dv/uvm/core_ibex/riscv_dv_extension/riscvOVPsim.ic b/dv/uvm/core_ibex/riscv_dv_extension/riscvOVPsim.ic
index 260ebe83..788ff88b 100644
--- a/dv/uvm/core_ibex/riscv_dv_extension/riscvOVPsim.ic
+++ b/dv/uvm/core_ibex/riscv_dv_extension/riscvOVPsim.ic
@@ -21,3 +21,4 @@
 --override riscvOVPsim/cpu/defaultsemihost=F
 --override riscvOVPsim/cpu/wfi_is_nop=T
 --override riscvOVPsim/cpu/tval_ii_code=T
+--addressbits 34