diff --git a/scripts/_common.sh b/scripts/_common.sh
index 944a65e..552e434 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,6 +4,29 @@
 # COMMON VARIABLES
 #=================================================
 
+upgrade_dolibarr() {
+    ynh_setup_source --source_id="$source_id" --dest_dir="$install_dir"
+    chmod -R o-rwx "$install_dir"
+    chown -R "$app:www-data" "$install_dir"
+
+    # Remove the lock if it exists
+    lock=$install_dir/documents/install.lock
+    if [ -f "$lock" ]; then
+        ynh_secure_remove --file="$lock"
+    fi
+
+    pushd "$install_dir/htdocs/install/"
+        "php$phpversion" upgrade.php "$current_version" "$new_version"
+        ynh_exec_fully_quiet sleep 5
+
+        "php$phpversion" upgrade2.php "$current_version" "$new_version"
+        ynh_exec_fully_quiet sleep 5
+
+        "php$phpversion" step5.php "$current_version" "$new_version"
+        ynh_exec_fully_quiet sleep 5
+    popd
+}
+
 #=================================================
 # PERSONAL HELPERS
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index b859968..1cc18da 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -53,29 +53,6 @@ ynh_add_fpm_config --usage="$fpm_usage" --footprint="$fpm_footprint"
 #=================================================
 ynh_script_progression --message="Upgrading source files..." --weight=60
 
-upgrade_dolibarr() {
-    ynh_setup_source --source_id="$source_id" --dest_dir="$install_dir"
-    chmod -R o-rwx "$install_dir"
-    chown -R "$app:www-data" "$install_dir"
-
-    # Remove the lock if it exists
-    lock=$install_dir/documents/install.lock
-    if [ -f "$lock" ]; then
-        ynh_secure_remove --file="$lock"
-    fi
-
-    pushd "$install_dir/htdocs/install/"
-        "php$phpversion" upgrade.php "$current_version" "$new_version"
-        ynh_exec_fully_quiet sleep 5
-
-        "php$phpversion" upgrade2.php "$current_version" "$new_version"
-        ynh_exec_fully_quiet sleep 5
-
-        "php$phpversion" step5.php "$current_version" "$new_version"
-        ynh_exec_fully_quiet sleep 5
-    popd
-}
-
 # Sort --version-sort cdécembrean handle underscore in versions numbers
 mapfile -t main_versions < <(
     ynh_read_manifest --key="resources.sources | keys[]" | grep "main_" | sort --version-sort