diff --git a/bin/kaleidoscope-builder b/bin/kaleidoscope-builder
index e4e0d273..1a4e7fae 100755
--- a/bin/kaleidoscope-builder
+++ b/bin/kaleidoscope-builder
@@ -579,6 +579,7 @@ docker_simulator_tests() {
     docker build -t kaleidoscope/simulator test
     docker run --rm -it \
            -v ${BOARD_HARDWARE_PATH}/keyboardio:/kaleidoscope/hardware/keyboardio \
+           -v $(pwd):/kaleidoscope/hardware/keyboardio/avr/libraries/Kaleidoscope \
            kaleidoscope/simulator
 }