diff --git a/build/dimensioner.sh b/build/dimensioner.sh
index 72240c0..e4fe312 100755
--- a/build/dimensioner.sh
+++ b/build/dimensioner.sh
@@ -5,10 +5,11 @@ cp -r ../src/dimensioner/* workspace/src/dimensioner/
 cd workspace
 git clone https://github.com/micropython/micropython.git --branch=master --depth=1
 cd micropython
+make -C ports/rp2 clean
 make -C ports/rp2 submodules
 make -C mpy-cross
 cd ports/rp2
-make FROZEN_MANIFEST=../../../src/dimensioner/manifest.py
+make FROZEN_MANIFEST=../../../../src/dimensioner/manifest.py
 cd ../../../../
 mkdir -p out
 mv workspace/micropython/ports/rp2/build-RPI_PICO/firmware.uf2 out/dimensioner.uf2
diff --git a/build/kiosk-hid.sh b/build/kiosk-hid.sh
index 1af61fe..89d83c2 100755
--- a/build/kiosk-hid.sh
+++ b/build/kiosk-hid.sh
@@ -6,10 +6,11 @@ cp ../src/kiosk/manifest-hid.py workspace/src/kiosk-hid/manifest.py
 cd workspace
 git clone https://github.com/micropython/micropython.git --branch=master --depth=1
 cd micropython
+make -C ports/rp2 clean
 make -C ports/rp2 submodules
 make -C mpy-cross
 cd ports/rp2
-make FROZEN_MANIFEST=../../../src/kiosk-hid/manifest.py
+make FROZEN_MANIFEST=../../../../src/kiosk-hid/manifest.py
 cd ../../../../
 mkdir -p out
 mv workspace/micropython/ports/rp2/build-RPI_PICO/firmware.uf2 out/kiosk-hid.uf2