diff --git a/scripts/install-ubuntu.sh b/scripts/install-ubuntu.sh
index 85ce4120c..4a4cabb41 100644
--- a/scripts/install-ubuntu.sh
+++ b/scripts/install-ubuntu.sh
@@ -163,10 +163,10 @@ if [ -f ".env.example" ]; then
 fi
 
 if [ -f ".env" ]; then
-    sed -i "s/database\.default\.hostname = localhost/database.default.hostname = ${DB_HOST}/" .env
-    sed -i "s/database\.default\.database = ospos/database.default.database = ${DB_NAME}/" .env
-    sed -i "s/database\.default\.username = admin/database.default.username = ${DB_USER}/" .env
-    sed -i "s/database\.default\.password = pointofsale/database.default.password = ${DB_PASS}/" .env
+    sed -i "s/database\.default\.hostname = 'localhost'/database.default.hostname = '${DB_HOST}'/" .env
+    sed -i "s/database\.default\.database = 'ospos'/database.default.database = '${DB_NAME}'/" .env
+    sed -i "s/database\.default\.username = 'admin'/database.default.username = '${DB_USER}'/" .env
+    sed -i "s/database\.default\.password = 'pointofsale'/database.default.password = '${DB_PASS}'/" .env
     sed -i "s/CI_ENVIRONMENT = development/CI_ENVIRONMENT = production/" .env
 fi