diff --git a/tools/sim/launch_openpilot.sh b/tools/sim/launch_openpilot.sh
index d5922a4819..361f7b18ea 100755
--- a/tools/sim/launch_openpilot.sh
+++ b/tools/sim/launch_openpilot.sh
@@ -12,5 +12,8 @@ if [[ "$CI" ]]; then
   export BLOCK="${BLOCK},ui"
 fi
 
+SCRIPT_DIR=$(dirname "$0")
+OPENPILOT_DIR=$SCRIPT_DIR/../../
+
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
-cd ../../selfdrive/manager && exec ./manager.py
+cd $OPENPILOT_DIR/selfdrive/manager && exec ./manager.py