diff --git a/.ci/build.sh b/.ci/build.sh
index 0c6172f2413a0..c7aaeef4ba486 100755
--- a/.ci/build.sh
+++ b/.ci/build.sh
@@ -138,7 +138,10 @@ echo "====================================="
 mkdir build && cd build
 if [ "$OSTYPE" = "linux-gnu" ]; then
   install_prefix_option="-DCMAKE_INSTALL_PREFIX=/usr/"
+elif [ "$OSTYPE" = "darwin" ]; then
+  install_prefix_option="-DCMAKE_INSTALL_PREFIX=/usr/local/"
 fi
+
 cmake .. \
   -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
   -DDART_VERBOSE=ON \
@@ -195,6 +198,7 @@ fi
 
 # dartpy: run a Python example using installed dartpy
 if [ "$BUILD_DARTPY" = "ON" ]; then
+  echo $PYTHONPATH
   cd $BUILD_DIR/python/examples/hello_world
   python3 main.py
 fi
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 76b9ec91ba72c..8350d2a431e63 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -25,6 +25,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Setup upterm session
+        uses: lhotari/action-upterm@v1
       - name: Install Dependencies
         env:
           INSTALL_OSG_HEAD: OFF  # To avoid building OSG, until 3.7 is released.
diff --git a/python/examples/CMakeLists.txt b/python/examples/CMakeLists.txt
index d197725e4c442..b2ef7663019a3 100644
--- a/python/examples/CMakeLists.txt
+++ b/python/examples/CMakeLists.txt
@@ -11,7 +11,7 @@ function(dartpy_add_example example_name) # ARGN for source file
   endif()
   add_custom_target(${example_name}
     COMMAND ${CMAKE_COMMAND} -E echo "Running pytest by: PYTHONPATH=${DART_DARTPY_BUILD_DIR} ${PYTHON_EXECUTABLE} ${source}"
-    COMMAND PYTHONPATH=${DART_DARTPY_BUILD_DIR} ${PYTHON_EXECUTABLE} ${source}
+    COMMAND ${CMAKE_COMMAND} -E env "PYTHONPATH=${DART_DARTPY_BUILD_DIR} ${PYTHON_EXECUTABLE} ${source}"
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
     SOURCES ${source}
   )