diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2b15438..7837ccf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,6 +30,8 @@ jobs:
             portaudio
           )
           brew install ${PACKAGES[@]}
+          echo "CPPFLAGS=-I/opt/homebrew/include" >> "$GITHUB_ENV"
+          echo "LDFLAGS=-L/opt/homebrew/lib" >> "$GITHUB_ENV"
       - name: checkout APF source code
         uses: actions/checkout@v2
       - name: run unit tests
diff --git a/examples/Makefile b/examples/Makefile
index c43f6ca..f39ddc8 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -84,7 +84,7 @@ mex-double: mex
 .PHONY: mex mex-double
 
 %.mex: %.cpp
-	CXXFLAGS="$(CXXFLAGS)" mkoctfile --mex $< $(CPPFLAGS)
+	CXXFLAGS="$(CXXFLAGS)" mkoctfile --mex $< $(CPPFLAGS) $(LDFLAGS)
 	$(RM) $*.o
 
 clean: clean-mex