diff --git a/scripts/_common.sh b/scripts/_common.sh
index 04ae441..48d562c 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -60,6 +60,41 @@ pkg_dependencies="${ffmpeg_deps[*]} ${jellyfin_deps[*]}"
 # PERSONAL HELPERS
 #=================================================
 
+install_jellyfin_packages() {
+    # In case of a new version, the url change from
+    # https://repo.jellyfin.org/releases/server/debian/versions/stable/server/X.X.X/jellyfin-server_X.X.X-1_$architecture.deb to
+    # https://repo.jellyfin.org/archive/debian/stable/X.X.X/server/jellyfin-server_X.X.X-1_$architecture.deb
+    src_url=$(grep 'SOURCE_URL=' "../conf/server.$debian.$architecture.src" | cut -d= -f2-)
+    if ! curl --output /dev/null --silent --head --fail "$src_url"; then
+        ynh_replace_string \
+            --match_string="releases/server/debian/versions/stable/server/$version/" \
+            --replace_string="archive/debian/stable/$version/server/" \
+            --target_file="../conf/server.$debian.$architecture.src"
+    fi
+
+    # Same for web
+    src_url=$(grep 'SOURCE_URL=' "../conf/web.$debian.$architecture.src" | cut -d= -f2-)
+    if ! curl --output /dev/null --silent --head --fail "$src_url"; then
+        ynh_replace_string \
+            --match_string="releases/server/debian/versions/stable/web/$version/" \
+            --replace_string="archive/debian/stable/$version/web/" \
+            --target_file="../conf/web.$debian.$architecture.src"
+    fi
+
+    # Create the temporary directory
+    tempdir="$(mktemp -d)"
+
+    # Download the deb files
+    ynh_setup_source --dest_dir=$tempdir --source_id="ffmpeg.$debian.$architecture"
+    ynh_setup_source --dest_dir=$tempdir --source_id="server.$debian.$architecture"
+    ynh_setup_source --dest_dir=$tempdir --source_id="web.$debian.$architecture"
+
+    # Install the packages
+    ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-ffmpeg.deb
+    ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-server.deb
+    ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-web.deb
+}
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 1590d68..f18c9ed 100644
--- a/scripts/install
+++ b/scripts/install
@@ -110,29 +110,7 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 ynh_script_progression --message="Installing packages..." --weight=1
 
-# Create the temporary directory
-tempdir="$(mktemp -d)"
-
-# Download the deb files
-ynh_setup_source --dest_dir=$tempdir --source_id="ffmpeg.$debian.$architecture"
-# In case of a new version, the url change from https://repo.jellyfin.org/releases/server/debian/versions/stable/server/X.X.X/jellyfin-server_X.X.X-1_$architecture.deb to https://repo.jellyfin.org/archive/debian/stable/X.X.X/server/jellyfin-server_X.X.X-1_$architecture.deb
-src_url=$(grep 'SOURCE_URL=' "../conf/server.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/server/$version/jellyfin-server_$version-1_$architecture.deb" --replace_string="archive/debian/stable/$version/server/jellyfin-server_$version-1_$architecture.deb" --target_file="../conf/server.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="server.$debian.$architecture"
-
-# Same for web
-src_url=$(grep 'SOURCE_URL=' "../conf/web.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/web/$version/jellyfin-web_$version-1_all.deb" --replace_string="archive/debian/stable/$version/web/jellyfin-web_$version-1_all.deb" --target_file="../conf/web.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="web.$debian.$architecture"
-
-# Install the packages
-ynh_exec_warn_less dpkg -i $tempdir/jellyfin-ffmpeg.deb
-ynh_exec_warn_less dpkg -i $tempdir/jellyfin-server.deb
-ynh_exec_warn_less dpkg -i $tempdir/jellyfin-web.deb
+install_jellyfin_packages
 
 #=================================================
 # NGINX CONFIGURATION
diff --git a/scripts/restore b/scripts/restore
index 620b9ed..fc05ad9 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -119,29 +119,7 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 ynh_script_progression --message="Reinstalling packages..." --weight=7
 
-# Create the temporary directory
-tempdir="$(mktemp -d)"
-
-# Download the deb files
-ynh_setup_source --dest_dir=$tempdir --source_id="ffmpeg.$debian.$architecture"
-# In case of a new version, the url change from https://repo.jellyfin.org/releases/server/debian/versions/stable/server/X.X.X/jellyfin-server_X.X.X-1_$architecture.deb to https://repo.jellyfin.org/archive/debian/stable/X.X.X/server/jellyfin-server_X.X.X-1_$architecture.deb
-src_url=$(grep 'SOURCE_URL=' "../settings/conf/server.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/server/$version/jellyfin-server_$version-1_$architecture.deb" --replace_string="archive/debian/stable/$version/server/jellyfin-server_$version-1_$architecture.deb" --target_file="../settings/conf/server.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="server.$debian.$architecture"
-
-# Same for web
-src_url=$(grep 'SOURCE_URL=' "../settings/conf/web.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/web/$version/jellyfin-web_$version-1_all.deb" --replace_string="archive/debian/stable/$version/web/jellyfin-web_$version-1_all.deb" --target_file="../settings/conf/web.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="web.$debian.$architecture"
-
-# Install the packages
-ynh_exec_warn_less dpkg --force-confdef --force-confold -i $tempdir/jellyfin-ffmpeg.deb
-ynh_exec_warn_less dpkg --force-confdef --force-confold -i $tempdir/jellyfin-server.deb
-ynh_exec_warn_less dpkg --force-confdef --force-confold -i $tempdir/jellyfin-web.deb
+install_jellyfin_packages
 
 #=================================================
 # RESTORE SYSTEMD
diff --git a/scripts/upgrade b/scripts/upgrade
index efff534..bf76cb7 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -151,29 +151,7 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 ynh_script_progression --message="Upgrading packages..." --weight=3
 
-# Create the temporary directory
-tempdir="$(mktemp -d)"
-
-# Download the deb files
-ynh_setup_source --dest_dir=$tempdir --source_id="ffmpeg.$debian.$architecture"
-# In case of a new version, the url change from https://repo.jellyfin.org/releases/server/debian/versions/stable/server/X.X.X/jellyfin-server_X.X.X-1_$architecture.deb to https://repo.jellyfin.org/archive/debian/stable/X.X.X/server/jellyfin-server_X.X.X-1_$architecture.deb
-src_url=$(grep 'SOURCE_URL=' "../conf/server.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/server/$version/jellyfin-server_$version-1_$architecture.deb" --replace_string="archive/debian/stable/$version/server/jellyfin-server_$version-1_$architecture.deb" --target_file="../conf/server.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="server.$debian.$architecture"
-
-# Same for web
-src_url=$(grep 'SOURCE_URL=' "../conf/web.$debian.$architecture.src" | cut -d= -f2-)
-if ! curl --output /dev/null --silent --head --fail "$src_url"; then
-	ynh_replace_string --match_string="releases/server/debian/versions/stable/web/$version/jellyfin-web_$version-1_all.deb" --replace_string="archive/debian/stable/$version/web/jellyfin-web_$version-1_all.deb" --target_file="../conf/web.$debian.$architecture.src"
-fi
-ynh_setup_source --dest_dir=$tempdir --source_id="web.$debian.$architecture"
-
-# Install the packages
-ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-ffmpeg.deb
-ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-server.deb
-ynh_exec_warn_less dpkg --force-confdef --force-confnew -i $tempdir/jellyfin-web.deb
+install_jellyfin_packages
 
 #=================================================
 # CREATE DEDICATED USER