diff --git a/src/scripts/mknemo.d/falcON2 b/src/scripts/mknemo.d/falcON2
index 0fbb635cf..541c8bbbd 100755
--- a/src/scripts/mknemo.d/falcON2
+++ b/src/scripts/mknemo.d/falcON2
@@ -9,6 +9,7 @@ url=git@bitbucket.org:peter_teuben/falcon.git     # during development
 dir=falcon2
 branch=master
 branch=autoconf                                   # during development
+cgal=0
 
 
 echo "falcON2: using url=$url and git branch=$branch"
@@ -34,6 +35,18 @@ fi
 ./configure
 source falcon_start.sh
 
+#   if a local version is needed
+if [ $cgal = 1 ]; then
+    v=5.6.2
+    wget https://github.com/CGAL/cgal/releases/download/v${v}/CGAL-${v}.tar.xz
+    tar xf CGAL-${v}.tar.xz
+    cd CGAL-${v}
+    mkdir build
+    cd build
+    cmake  -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$FALCON ..
+    make install
+fi
+
 
 make -C utils2 inc/cachesize.h
 make -C h5pp