diff --git a/scripts/switch.sh b/scripts/switch.sh
index 42fda85..5bee6b5 100644
--- a/scripts/switch.sh
+++ b/scripts/switch.sh
@@ -19,7 +19,7 @@ else
 fi
 
 # Change proxying port into target port
-echo "set \$service_url http://127.0.0.1:${TARGET_PORT};" | tee /home/ubuntu/service_url.inc
+echo "set \$service_url http://127.0.0.1:${TARGET_PORT};" | sudo tee /home/ubuntu/service_url.inc
 
 echo "> Now Nginx proxies to ${TARGET_PORT}."
 
diff --git a/src/main/java/com/mpnp/baechelin/util/Nginx.java b/src/main/java/com/mpnp/baechelin/util/Nginx.java
index 40aed98..99ae5cb 100644
--- a/src/main/java/com/mpnp/baechelin/util/Nginx.java
+++ b/src/main/java/com/mpnp/baechelin/util/Nginx.java
@@ -15,9 +15,9 @@ public class Nginx {
 
     @GetMapping("/health")
     public String healthCheck() {
-        return "Health Check V3";
+        return "Health Check V4";
     }
-    
+
     @GetMapping
     public String main(){
         return "Hello World!";