diff --git a/risc-v_shell.tlv b/risc-v_shell.tlv
index 4d63404..f037618 100644
--- a/risc-v_shell.tlv
+++ b/risc-v_shell.tlv
@@ -49,6 +49,8 @@
    $next_pc[31:0] = $reset ? 0 : ($pc + 4);
 
    $pc[31:0] = >>1$next_pc;
+
+   `READONLY_MEM($pc, $$instr[31:0]);
    
    
    // Assert these to end simulation (before Makerchip cycle limit).