diff --git a/core/src/main/java/org/keycloak/representations/adapters/config/PolicyEnforcerConfig.java b/core/src/main/java/org/keycloak/representations/adapters/config/PolicyEnforcerConfig.java
index 67c3c59..26dc220 100644
--- a/core/src/main/java/org/keycloak/representations/adapters/config/PolicyEnforcerConfig.java
+++ b/core/src/main/java/org/keycloak/representations/adapters/config/PolicyEnforcerConfig.java
@@ -119,7 +119,7 @@ public class PolicyEnforcerConfig {
private String type;
private String path;
private List<MethodConfig> methods = new ArrayList<>();
- private List<String> scopes = Collections.emptyList();
+ private List<String> scopes = new ArrayList<>();
private String id;
@JsonProperty("enforcement-mode")
@@ -218,7 +218,7 @@ public class PolicyEnforcerConfig {
public static class MethodConfig {
private String method;
- private List<String> scopes = Collections.emptyList();
+ private List<String> scopes = new ArrayList<>();
@JsonProperty("scopes-enforcement-mode")
private ScopeEnforcementMode scopesEnforcementMode = ScopeEnforcementMode.ALL;