diff --git a/install/planka-install.sh b/install/planka-install.sh
index b0cd1309c..03f8b984e 100644
--- a/install/planka-install.sh
+++ b/install/planka-install.sh
@@ -26,7 +26,7 @@ PG_VERSION="16" setup_postgresql
 msg_info "Setting up PostgreSQL Database"
 DB_NAME=planka
 DB_USER=planka
-DB_PASS="$(openssl rand -base64 18 | cut -c1-13)"
+DB_PASS=$(openssl rand -base64 16 | tr -d '/+=')
 $STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
 $STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
 $STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"