diff --git a/github-actions/pyfabm-ersem/pyfabm-ersem-build.sh b/github-actions/pyfabm-ersem/pyfabm-ersem-build.sh
index 9cb55f4..063a918 100755
--- a/github-actions/pyfabm-ersem/pyfabm-ersem-build.sh
+++ b/github-actions/pyfabm-ersem/pyfabm-ersem-build.sh
@@ -10,7 +10,9 @@ git clone https://github.com/fabm-model/fabm.git
 echo "Checking out branch: $BRANCH"
 cd ersem && git checkout $BRANCH && cd ..
 
+echo "Moving ERSEM config files for pyFABM"
+cp github-actions/pyfabm-ersem/setup.cfg fabm
+
 echo "Building PyFABM-ERSEM"
-mkdir build && cd build
-cmake ../fabm/src/drivers/python -DFABM_ERSEM_BASE=../ersem
-make install
+cd fabm
+python -m pip install .
diff --git a/github-actions/pyfabm-ersem/setup.cfg b/github-actions/pyfabm-ersem/setup.cfg
new file mode 100644
index 0000000..a35cafd
--- /dev/null
+++ b/github-actions/pyfabm-ersem/setup.cfg
@@ -0,0 +1,4 @@
+[build_ext]
+cmake_opts=-DFABM_ERSEM_BASE=../ersem
+force=1
+debug=1