diff --git a/scripts/install_debian_11.sh b/scripts/install_debian_11.sh
index 5c9c78e4..107e6158 100755
--- a/scripts/install_debian_11.sh
+++ b/scripts/install_debian_11.sh
@@ -58,7 +58,7 @@ cp /opt/wrolpi/50x.html /var/www/50x.html
 /usr/sbin/nginx -s reload
 
 # Create the WROLPi user
-grep wrolpi /etc/passwd || useradd -md /home/wrolpi wrolpi -s "$(command -v bash)"
+grep wrolpi: /etc/passwd || useradd -md /home/wrolpi wrolpi -s "$(command -v bash)"
 cat >/home/wrolpi/.pgpass <<'EOF'
 127.0.0.1:5432:gis:_renderd:wrolpi
 127.0.0.1:5432:wrolpi:wrolpi:wrolpi
diff --git a/scripts/install_raspberrypios.sh b/scripts/install_raspberrypios.sh
index a4578b5b..bf23c745 100755
--- a/scripts/install_raspberrypios.sh
+++ b/scripts/install_raspberrypios.sh
@@ -58,7 +58,7 @@ cp /opt/wrolpi/50x.html /var/www/50x.html
 /usr/sbin/nginx -s reload
 
 # Create the WROLPi user
-grep wrolpi /etc/passwd || useradd -md /home/wrolpi wrolpi -s "$(command -v bash)"
+grep wrolpi: /etc/passwd || useradd -md /home/wrolpi wrolpi -s "$(command -v bash)"
 cat >/home/wrolpi/.pgpass <<'EOF'
 127.0.0.1:5432:gis:_renderd:wrolpi
 127.0.0.1:5432:wrolpi:wrolpi:wrolpi