diff --git a/package_scripts/toolbox_package_unix.sh b/package_scripts/toolbox_package_unix.sh
index e58f1655e..8becd7c9b 100755
--- a/package_scripts/toolbox_package_unix.sh
+++ b/package_scripts/toolbox_package_unix.sh
@@ -38,6 +38,8 @@ cmake -DCMAKE_BUILD_TYPE=Release \
 -DBoost_NO_SYSTEM_PATHS:bool=true \
 -DBoost_USE_STATIC_LIBS:bool=true \
 -DBOOST_ROOT="$1" \
+-DGTSAM_BUILD_SHARED_LIBRARY:bool=false \
+-DGTSAM_BUILD_STATIC_LIBRARY:bool=true \
 -DGTSAM_BUILD_TESTS:bool=false \
 -DGTSAM_BUILD_EXAMPLES:bool=false \
 -DGTSAM_BUILD_UNSTABLE:bool=false \