diff --git a/scripts/build-setup.sh b/scripts/build-setup.sh
index 99bada31..dea63638 100755
--- a/scripts/build-setup.sh
+++ b/scripts/build-setup.sh
@@ -271,7 +271,8 @@ if run_step "6"; then
             echo $CYDIR
             source sourceme-manager.sh --skip-ssh-setup
             pushd sim
-            make sbt SBT_COMMAND="project firesim; compile" TARGET_PROJECT=firesim
+            make target-classpath
+            make firesim-main-classpath
             popd
         )
         exit_if_last_command_failed