diff --git a/hudson_mac_build_release.sh b/hudson_mac_build_release.sh
index 6c91395..a796f0f 100755
--- a/hudson_mac_build_release.sh
+++ b/hudson_mac_build_release.sh
@@ -26,8 +26,15 @@ cmakeCommonArgs="-G Ninja -DCMAKE_INSTALL_PREFIX:PATH=$WORKSPACE/dist -DCMAKE_BU
 
 ###############################################################################
 echo "Starting on SimGear"
+
+cmakeSimGearArgs=""
+if [ $SG_USE_OPENALSOFT == '1' ]; then
+  echo "Requested ot build with OpenAL-soft"
+  cmakeSimGearArgs="-DUSE_OPENALSOFT:BOOL=ON"
+fi
+
 pushd sgBuild
-cmake ${cmakeCommonArgs} ../simgear
+cmake ${cmakeCommonArgs} ${cmakeSimGearArgs} ../simgear
 
 # compile
 cmake --build . --target debug_symbols