diff --git a/pipelined/regression/wally-pipelined.do b/pipelined/regression/wally-pipelined.do
index 9e847730..5f019c35 100644
--- a/pipelined/regression/wally-pipelined.do
+++ b/pipelined/regression/wally-pipelined.do
@@ -79,7 +79,8 @@ if {$2 eq "buildroot" || $2 eq "buildroot-checkpoint"} {
     if {$2 eq "ahb"} {
         vlog +incdir+../config/$1 +incdir+../config/shared ../testbench/testbench.sv ../testbench/common/*.sv   ../src/*/*.sv ../src/*/*/*.sv -suppress 2583 -suppress 7063 +define+RAM_LATENCY=$3 +define+BURST_EN=$4
     } else {
-        vlog +incdir+../config/$1 +incdir+../config/shared ../testbench/testbench.sv ../testbench/common/*.sv   ../src/*/*.sv ../src/*/*/*.sv -suppress 2583 -suppress 7063 +define+DTIM_RANGE=8388607 +define+IROM_RANGE=8388607
+        # *** modelsim won't take `PA_BITS, but will take other defines for the lengths of DTIM_RANGE and IROM_LEN.  For now just live with the warnings.
+        vlog +incdir+../config/$1 +incdir+../config/shared ../testbench/testbench.sv ../testbench/common/*.sv   ../src/*/*.sv ../src/*/*/*.sv -suppress 2583 -suppress 7063 +define+DTIM_RANGE=56'd8388607 +define+IROM_RANGE=56'd8388607
     }
     vopt +acc work.testbench -G TEST=$2 -G DEBUG=1 -o workopt