diff --git a/zen/tools/make_G1SSB_secret.sh b/zen/tools/make_G1SSB_secret.sh
index 19e3cce..4edd470 100755
--- a/zen/tools/make_G1SSB_secret.sh
+++ b/zen/tools/make_G1SSB_secret.sh
@@ -18,10 +18,19 @@ echo '
 # !!! KEEP CREDENTIALS IN ~/.zen/secret.astroport.key
 ########################################################################
 '
+
 # git & astroport code in ~/.zen
-[[ ! -d  ~/.zen ]] && mkdir -p ~/.zen && cd ~/.zen || cd ~/.zen
-[[ !$(which git) ]] && sudo apt install git -y
-[[ ! -d  ~/.zen/astroport ]] && cd ~/.zen && git clone https://git.p2p.legal/axiom-team/astroport.git && cd astroport || exit 1
+[[ ! -d  ~/.zen/astroport ]] && mkdir -p ~/.zen/astroport
+
+[[ ! $(which git) ]] && sudo apt install git -y
+
+if [[ -f ~/.zen/astroport/install.sh ]]; then
+    cd ~/.zen/astroport && git pull
+else
+    cd ~/.zen
+    git clone https://git.p2p.legal/axiom-team/astroport.git
+fi
+
 cd ~/.zen/astroport
 
 # INSTALL Silkaj, CLI for Duniter