diff --git a/conda-recipes/smurff/build.sh b/conda-recipes/smurff/build.sh
index 6f6ba7a6..28741daf 100644
--- a/conda-recipes/smurff/build.sh
+++ b/conda-recipes/smurff/build.sh
@@ -1,10 +1,15 @@
 #!/bin/bash
 
-export CMAKE_ARGS="-DCMAKE_INSTALL_PREFIX=$PREFIX -DENABLE_MPI=OFF"
+if [ $blas_impl == "mkl" ]
+then
+    SKBUILD_CMAKE_ARGS="-DENABLE_MKL=ON"
+elif [ $blas_impl == "openblas" ]
+then
+    SKBUILD_CMAKE_ARGS="-DENABLE_OPENBLAS=ON"
+fi
 
-# make sure we use CONDA_BUILD_SYSROOT
-# https://github.com/conda/conda-build/issues/3452#issuecomment-47539707
-[[ ${target_platform} == "osx-64" ]] && \
-    CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_OSX_SYSROOT=${CONDA_BUILD_SYSROOT}"
+export SKBUILD_CMAKE_ARGS
 
-$PYTHON -m pip install . --no-deps -vv
\ No newline at end of file
+$PYTHON -m pip install . \
+    $EXTRA_CMAKE_ARGS \
+    --no-deps -vv
diff --git a/pyproject.toml b/pyproject.toml
index 8041b7b9..f866b113 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,6 @@ logging.level = "INFO"
 ENABLE_BOOST = "OFF"
 ENABLE_CMDLINE = "OFF"
 ENABLE_TESTS = "OFF"
-ENABLE_OPENBLAS = "ON"
 
 [tool.setuptools_scm]  # Section required
 write_to = "python/smurff/_version.py"