diff --git a/wally-pipelined/regression/sim-busybear-batch b/wally-pipelined/regression/sim-busybear-batch
index 7660eb9f6..2c351aade 100755
--- a/wally-pipelined/regression/sim-busybear-batch
+++ b/wally-pipelined/regression/sim-busybear-batch
@@ -1 +1,3 @@
-vsim -do wally-busybear.do -c
+vsim -c <<!
+do wally-busybear.do 
+!