diff --git a/files/update_mastodon.sh b/files/update_mastodon.sh
index 4568f96..4b7bd79 100755
--- a/files/update_mastodon.sh
+++ b/files/update_mastodon.sh
@@ -91,34 +91,40 @@ if [ "${DEBUG}" == "true" ]; then
     echo "Changing to Mastodon's home directory '${mastodon_home}'..."
 fi
 cd "${mastodon_home}" || exit 3
-if [ "${DEBUG}" == "true" ]; then
-    echo "Fetching from repository..."
-fi
-"${pre_command}"sudo -u mastodon git fetch
-if [ "${DEBUG}" == "true" ]; then
-    echo "Changing to reference '${tag}'..."
-fi
-"${pre_command}"sudo -u mastodon git checkout "${tag}"
-current_date=$(date +%Y-%m-%d-%H-%M-%S)
-mkdir -p /var/backups/postgres
-backup_file="/var/backups/postgres/pgdump_pre_update_mastodon_to_${tag}_${current_date}.sql.gz"
-if [ "${dummy}" == "true" ]; then
-    echo "sudo -u postgres pg_dump mastodon | gzip -c > \"${backup_file}\""
-else
+current_tag=$(git name-rev --name-only HEAD | awk 'BEGIN {FS="/"} {print($2)}')
+if [ "${current_tag}" != "${tag}" ]; then
     if [ "${DEBUG}" == "true" ]; then
-        echo "Creating a backup of the database in '${backup_file}'..."
+        echo "Fetching from repository..."
     fi
-    sudo -u postgres pg_dump mastodon | gzip -c > "${backup_file}"
+    "${pre_command}"sudo -u mastodon git fetch
+    if [ "${DEBUG}" == "true" ]; then
+        echo "Changing to reference '${tag}'..."
+    fi
+    "${pre_command}"sudo -u mastodon git checkout "${tag}"
+    current_date=$(date +%Y-%m-%d-%H-%M-%S)
+    mkdir -p /var/backups/postgres
+    backup_file="/var/backups/postgres/pgdump_pre_update_mastodon_to_${tag}_${current_date}.sql.gz"
+    if [ "${dummy}" == "true" ]; then
+        echo "sudo -u postgres pg_dump mastodon | gzip -c > \"${backup_file}\""
+    else
+        if [ "${DEBUG}" == "true" ]; then
+            echo "Creating a backup of the database in '${backup_file}'..."
+        fi
+        sudo -u postgres pg_dump mastodon | gzip -c > "${backup_file}"
+    fi
+    if [ "${DEBUG}" == "true" ]; then
+        echo "Running bundle install..."
+    fi
+    "${pre_command}"sudo -u mastodon bundle install
+    if [ "${DEBUG}" == "true" ]; then
+        echo "Running yarm install..."
+    fi
+    "${pre_command}"sudo -u mastodon yarn install --frozen-lockfile
+    if [ "${DEBUG}" == "true" ]; then
+        echo "Restarting Mastodon services..."
+    fi
+    "${pre_command}"sudo systemctl restart mastodon-sidekiq.service mastodon-web.service mastodon-streaming mastodon-streaming@4000.service
+else
+    echo "Current branch is already '${tag}'"
+    exit 0
 fi
-if [ "${DEBUG}" == "true" ]; then
-    echo "Running bundle install..."
-fi
-"${pre_command}"sudo -u mastodon bundle install
-if [ "${DEBUG}" == "true" ]; then
-    echo "Running yarm install..."
-fi
-"${pre_command}"sudo -u mastodon yarn install --frozen-lockfile
-if [ "${DEBUG}" == "true" ]; then
-    echo "Restarting Mastodon services..."
-fi
-"${pre_command}"sudo systemctl restart mastodon-sidekiq.service mastodon-web.service mastodon-streaming mastodon-streaming@4000.service