diff --git a/install.sh b/install.sh
index fa1f988..416aa5d 100755
--- a/install.sh
+++ b/install.sh
@@ -15,18 +15,20 @@ if [[ $distro == "Debian" ]]; then
 	release=Testing
     else
 	echo "Error: failed to detect release"
-	exit 1
+	exit 2
     fi
+    
     echo "Installing podman ..."
-    sudo apt install -y gnupg curl
-    echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_${release:?}/ /" | sudo tee /etc/apt/sources.list.d/podman.list
-    curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_${release:?}/Release.key | sudo apt-key add -
-
+    if [[ $release != "testing" && $release -lt 11 ]]; then
+	sudo apt install -y gnupg curl
+	echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_${release:?}/ /" | sudo tee /etc/apt/sources.list.d/podman.list
+	curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/Debian_${release:?}/Release.key | sudo apt-key add -
+    fi
     sudo apt update -y
     sudo apt install -y fuse-overlayfs slirp4netns podman
 else
     echo "Error: failed to detect distro."
-    exit 1
+    exit 2
 fi
 
 echo "Copying scripts to /usr/local/bin ..."
@@ -50,7 +52,7 @@ if [[ ! $(getent group $name) ]]; then
 fi
 if [[ ! $(getent passwd $name) ]]; then
     echo "Creating user '$name' ..."
-    sudo useradd -r -u $uid -p '*'-s /sbin/nologin -d /srv/vol -g $name $name
+    sudo useradd -r -u $uid -p '*' -s /sbin/nologin -d /srv/vol -g $name $name
 fi
 echo "Configuring user '$name' ..."
 sudo groupmod -g $uid $name