diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7ab456c..a8f18f8 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,6 +8,7 @@
 pkg_dependencies="postgresql postgresql-contrib"
 
 GO_VERSION="1.18"
+psql_version=$PSQL_VERSION
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/change_url b/scripts/change_url
index ffd08b0..334bd88 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -127,8 +127,6 @@ fi
 #=================================================
 ynh_script_progression --message="Updating systemd configuration..." --weight=1
 
-psql_version=$PSQL_VERSION
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
diff --git a/scripts/install b/scripts/install
index ace39c9..c5e3d25 100644
--- a/scripts/install
+++ b/scripts/install
@@ -182,8 +182,6 @@ chown $app:$app "$final_path/dendrite.yaml"
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
-psql_version=$PSQL_VERSION
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 928a84b..4715f07 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -194,8 +194,6 @@ chown $app:$app "$final_path/dendrite.yaml"
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 
-psql_version=$PSQL_VERSION
-
 # Create a dedicated systemd config
 ynh_add_systemd_config