diff --git a/build/simhv3/start b/build/simhv3/start
index 8b994f9b..e30cad95 100755
--- a/build/simhv3/start
+++ b/build/simhv3/start
@@ -56,5 +56,5 @@ while test -n "$1"; do
     shift
 done
 
-tools/simh/BIN/pdp10 out/simh/boot
+tools/simhv3/BIN/pdp10 build/simhv3/boot
 exit 0