diff --git a/.github/workflows/build_icestick_examples.yml b/.github/workflows/build_icestick_examples.yml
index c5ff0d3..c0004cb 100644
--- a/.github/workflows/build_icestick_examples.yml
+++ b/.github/workflows/build_icestick_examples.yml
@@ -7,17 +7,17 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install Manta from Source
-        run: |
-          pip install setuptools --upgrade
+      run: |
+        pip install setuptools --upgrade
 
-          # omitting the following commmand causes the version of setuptools
-          # used by python to get confused, and it doesn't detect the name
-          # or version of the package from pyproject.toml - so the following
-          # workaround is used:
-          # https://github.com/pypa/setuptools/issues/3269#issuecomment-1254507377
-          export DEB_PYTHON_INSTALL_LAYOUT=deb_system
+        # omitting the following commmand causes the version of setuptools
+        # used by python to get confused, and it doesn't detect the name
+        # or version of the package from pyproject.toml - so the following
+        # workaround is used:
+        # https://github.com/pypa/setuptools/issues/3269#issuecomment-1254507377
+        export DEB_PYTHON_INSTALL_LAYOUT=deb_system
 
-          python3 -m pip install .
+        python3 -m pip install .
 
     - name: Install Icestorm Tools
       run: |
diff --git a/Makefile b/Makefile
index 3aa444d..62bd7ff 100644
--- a/Makefile
+++ b/Makefile
@@ -80,16 +80,19 @@ nexys_a7: nexys_a7_io_core nexys_a7_logic_analyzer nexys_a7_lut_ram
 nexys_a7_io_core:
 	cd examples/nexys_a7/io_core/;   	\
 	manta gen manta.yaml src/manta.v;	\
+	mkdir -p obj/; 						\
 	python3 lab-bc.py
 
 nexys_a7_logic_analyzer:
 	cd examples/nexys_a7/logic_analyzer/;   \
 	manta gen manta.yaml src/manta.v;		\
+	mkdir -p obj/; 							\
 	python3 lab-bc.py
 
 nexys_a7_lut_ram:
 	cd examples/nexys_a7/lut_ram/;   	\
 	manta gen manta.yaml src/manta.v;	\
+	mkdir -p obj/;						\
 	python3 lab-bc.py
 
 icestick: icestick_io_core icestick_lut_ram