diff --git a/webinterface/src/main/java/asys/webinterface/StaticHandler.java b/webinterface/src/main/java/asys/webinterface/StaticHandler.java
index 092f5a4..00c6970 100644
--- a/webinterface/src/main/java/asys/webinterface/StaticHandler.java
+++ b/webinterface/src/main/java/asys/webinterface/StaticHandler.java
@@ -6,17 +6,21 @@ package asys.webinterface;
 
 import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 
 public class StaticHandler implements HttpHandler {
+    private final Logger logger = LoggerFactory.getLogger(StaticHandler.class);
+
     @Override
     public void handle(HttpExchange httpExchange) throws IOException {
         String fileId = httpExchange.getRequestURI().getPath();
         fileId = fileId.replace("../", "").replace("//", "/");
-        System.err.println(fileId);
+        logger.debug(fileId);
         InputStream inputStream = getClass().getResourceAsStream(fileId);
         if (inputStream == null) {
             String response = "Error 404 File not found.";