diff --git a/build-macos-new.sh b/build-macos-new.sh
index bcefb63..65f6eb0 100755
--- a/build-macos-new.sh
+++ b/build-macos-new.sh
@@ -78,7 +78,7 @@ for PYVER in ${PYTHON_VERS[@]}; do
         -DCMAKE_INSTALL_PREFIX="$BUILDDIR/../gtsam_install" \
         -DBoost_USE_STATIC_LIBS=ON \
         -DBOOST_ROOT=$CURRDIR/boost_install \
-        -DCMAKE_PREFIX_PATH=$CURRDIR/boost_install \
+        -DCMAKE_PREFIX_PATH=$CURRDIR/boost_install/lib/cmake/Boost-1.73.0/ \
         -DBoost_NO_SYSTEM_PATHS=OFF \
         -DBUILD_STATIC_METIS=ON \
         -DGTSAM_TYPEDEF_POINTS_TO_VECTORS=ON \
diff --git a/build-macos.sh b/build-macos.sh
index 9eb5513..ddba3bd 100755
--- a/build-macos.sh
+++ b/build-macos.sh
@@ -58,7 +58,7 @@ for PYVER in ${PYTHON_VERS[@]}; do
         -DCMAKE_INSTALL_PREFIX="$BUILDDIR/../gtsam_install" \
         -DBoost_USE_STATIC_LIBS=ON \
         -DBOOST_ROOT=$CURRDIR/boost_install \
-        -DCMAKE_PREFIX_PATH=$CURRDIR/boost_install \
+        -DCMAKE_PREFIX_PATH=$CURRDIR/boost_install/lib/cmake/Boost-1.73.0/ \
         -DBoost_NO_SYSTEM_PATHS=OFF \
         -DBUILD_STATIC_METIS=ON \
         --trace-expand