diff --git a/src/main/java/net/geant/nmaas/portal/api/domain/WebhookEventDto.java b/src/main/java/net/geant/nmaas/portal/api/domain/WebhookEventDto.java
index 9049b9c921ed43cbec2e5e99d1557bfeca286512..fe179f6636ba9bbcfca008fd8bb805f183668d4b 100644
--- a/src/main/java/net/geant/nmaas/portal/api/domain/WebhookEventDto.java
+++ b/src/main/java/net/geant/nmaas/portal/api/domain/WebhookEventDto.java
@@ -25,7 +25,7 @@ public class WebhookEventDto {
     @Pattern(regexp = "^(Authorization|X-.*)?$", message = "Authorization header must be either 'Authorization' or start with 'X-'")
     private String authorizationHeader;
 
-    public WebhookEventDto (Long id, String name, String targetUrl, WebhookEventType eventType){
+    public WebhookEventDto(Long id, String name, String targetUrl, WebhookEventType eventType) {
         this.id = id;
         this.name = name;
         this.targetUrl = targetUrl;
diff --git a/src/main/java/net/geant/nmaas/portal/api/market/WebhookEventAdvice.java b/src/main/java/net/geant/nmaas/portal/api/market/WebhookEventAdvice.java
index 36715f90ccc58a89d4303c7fbd7a16c18313e3e6..29373cd06012f63eae82d7318e269db931f52e85 100644
--- a/src/main/java/net/geant/nmaas/portal/api/market/WebhookEventAdvice.java
+++ b/src/main/java/net/geant/nmaas/portal/api/market/WebhookEventAdvice.java
@@ -1,5 +1,6 @@
 package net.geant.nmaas.portal.api.market;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.MethodArgumentNotValidException;
@@ -10,6 +11,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 @ControllerAdvice(assignableTypes = WebhookEventController.class)
+@Slf4j
 public class WebhookEventAdvice {
 
     @ExceptionHandler(MethodArgumentNotValidException.class)
@@ -19,6 +21,8 @@ public class WebhookEventAdvice {
         ex.getBindingResult().getFieldErrors().forEach(error ->
                 errors.put(error.getField(), error.getDefaultMessage()));
 
+        log.warn("Responding with 400 with errors: {}", errors);
+
         return new ResponseEntity<>(errors, HttpStatus.BAD_REQUEST);
     }