diff --git a/lxc/nginx-proxy-manager/install/debian.sh b/lxc/nginx-proxy-manager/install/debian.sh
index 3f27c2d..709108c 100644
--- a/lxc/nginx-proxy-manager/install/debian.sh
+++ b/lxc/nginx-proxy-manager/install/debian.sh
@@ -106,7 +106,7 @@ runcmd npm install --global yarn
 # Get latest version information for nginx-proxy-manager
 log "Checking for latest NPM release"
 runcmd 'wget $WGETOPT -O ./_latest_release $NPMURL/releases/latest'
-_latest_version=$(basename $(cat ./_latest_release | grep -wo "NginxProxyManager/.*.tar.gz") .tar.gz | cut -d'v' -f2)
+_latest_version=$(cat ./_latest_release | grep -Po '(?<=expanded_assets/v)[^"]+')
 
 # Download nginx-proxy-manager source
 log "Downloading NPM v$_latest_version"