diff --git a/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationCollectionFilteringProvider.java b/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationCollectionFilteringProvider.java
index fa833b0dcf..5c2aabef53 100644
--- a/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationCollectionFilteringProvider.java
+++ b/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationCollectionFilteringProvider.java
@@ -113,9 +113,16 @@ public class BasicAclEntryAfterInvocationCollectionFilteringProvider
     private AclManager aclManager;
     private String processConfigAttribute = "AFTER_ACL_COLLECTION_READ";
     private int[] requirePermission = {SimpleAclEntry.READ};
+    private Class processDomainObjectClass = Object.class;
 
     //~ Methods ================================================================
 
+    public void setProcessDomainObjectClass(Class processDomainObjectClass) {
+        Assert.notNull(processDomainObjectClass,
+        "processDomainObjectClass cannot be set to null");
+        this.processDomainObjectClass = processDomainObjectClass;
+	}
+
     public void setAclManager(AclManager aclManager) {
         this.aclManager = aclManager;
     }
@@ -195,6 +202,8 @@ public class BasicAclEntryAfterInvocationCollectionFilteringProvider
 
                     if (domainObject == null) {
                         hasPermission = true;
+                    } else if (!processDomainObjectClass.isAssignableFrom(domainObject.getClass())) {
+                    	hasPermission = true;
                     } else {
                         acls = aclManager.getAcls(domainObject, authentication);
                     }
diff --git a/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationProvider.java b/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationProvider.java
index df01714b33..eddba12c33 100644
--- a/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationProvider.java
+++ b/core/src/main/java/org/acegisecurity/afterinvocation/BasicAclEntryAfterInvocationProvider.java
@@ -100,10 +100,17 @@ public class BasicAclEntryAfterInvocationProvider
     protected MessageSourceAccessor messages = AcegiMessageSource.getAccessor();
     private String processConfigAttribute = "AFTER_ACL_READ";
     private int[] requirePermission = {SimpleAclEntry.READ};
+    private Class processDomainObjectClass = Object.class;
 
     //~ Methods ================================================================
 
-    public void afterPropertiesSet() throws Exception {
+    public void setProcessDomainObjectClass(Class processDomainObjectClass) {
+        Assert.notNull(processDomainObjectClass,
+        "processDomainObjectClass cannot be set to null");
+        this.processDomainObjectClass = processDomainObjectClass;
+	}
+
+	public void afterPropertiesSet() throws Exception {
         Assert.notNull(processConfigAttribute,
             "A processConfigAttribute is mandatory");
         Assert.notNull(aclManager, "An aclManager is mandatory");
@@ -134,6 +141,14 @@ public class BasicAclEntryAfterInvocationProvider
 
                     return null;
                 }
+                
+                if (!processDomainObjectClass.isAssignableFrom(returnedObject.getClass())) {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug("Return object is not applicable for this provider, skipping");
+                    }
+
+                    return null;
+                }
 
                 AclEntry[] acls = aclManager.getAcls(returnedObject,
                         authentication);