diff --git a/impl/src/main/java/com/sun/faces/facelets/tag/composite/InsertChildrenHandler.java b/impl/src/main/java/com/sun/faces/facelets/tag/composite/InsertChildrenHandler.java
index 7b8d1ca08a..3cabe6acc3 100644
--- a/impl/src/main/java/com/sun/faces/facelets/tag/composite/InsertChildrenHandler.java
+++ b/impl/src/main/java/com/sun/faces/facelets/tag/composite/InsertChildrenHandler.java
@@ -45,6 +45,8 @@ public class InsertChildrenHandler extends TagHandlerImpl {
     private final Logger LOGGER = FacesLogger.TAGLIB.getLogger();
     private static final String REQUIRED_ATTRIBUTE = "required";
 
+    public static final String INDEX_ATTRIBUTE = "InsertChildrenHandler.idx";
+
     // This attribute is not required.  If not defined, then assume the facet
     // isn't necessary.
     private TagAttribute required;
@@ -105,8 +107,8 @@ private class RelocateChildrenListener extends RelocateListener {
 
             this.ctx = ctx;
             this.component = component;
-            if (!component.getAttributes().containsKey("idx")) {
-                component.getAttributes().put("idx", idx);
+            if (!component.getAttributes().containsKey(INDEX_ATTRIBUTE)) {
+                component.getAttributes().put(INDEX_ATTRIBUTE, idx); // NOTE: this is also used by AjaxBehaviorRenderer in order to detect if f:ajax was handled by cc:insertChildren. See also #5032
             }
             this.idx = idx;
             this.location = location;
@@ -174,7 +176,7 @@ public void processEvent(ComponentSystemEvent event)
         // ----------------------------------------------------- Private Methods
 
         private int getIdx() {
-            Integer idx = (Integer) component.getAttributes().get("idx");
+            Integer idx = (Integer) component.getAttributes().get(INDEX_ATTRIBUTE);
             return ((idx != null) ? idx : this.idx);
         }
 
diff --git a/impl/src/main/java/com/sun/faces/renderkit/html_basic/AjaxBehaviorRenderer.java b/impl/src/main/java/com/sun/faces/renderkit/html_basic/AjaxBehaviorRenderer.java
index 8d39cc26f8..92e0a96e0c 100644
--- a/impl/src/main/java/com/sun/faces/renderkit/html_basic/AjaxBehaviorRenderer.java
+++ b/impl/src/main/java/com/sun/faces/renderkit/html_basic/AjaxBehaviorRenderer.java
@@ -20,31 +20,32 @@
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.EnumSet;
 import java.util.LinkedList;
+import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import javax.faces.component.ActionSource;
 import javax.faces.component.EditableValueHolder;
 import javax.faces.component.UIComponent;
+import javax.faces.component.UINamingContainer;
 import javax.faces.component.behavior.AjaxBehavior;
 import javax.faces.component.behavior.ClientBehavior;
 import javax.faces.component.behavior.ClientBehaviorContext;
 import javax.faces.component.html.HtmlCommandScript;
+import javax.faces.component.search.ComponentNotFoundException;
+import javax.faces.component.search.SearchExpressionContext;
+import javax.faces.component.search.SearchExpressionHandler;
+import javax.faces.component.search.SearchExpressionHint;
 import javax.faces.context.FacesContext;
 import javax.faces.event.AjaxBehaviorEvent;
 import javax.faces.event.PhaseId;
 import javax.faces.render.ClientBehaviorRenderer;
 
+import com.sun.faces.facelets.tag.composite.InsertChildrenHandler;
 import com.sun.faces.renderkit.RenderKitUtils;
 import com.sun.faces.util.FacesLogger;
-import java.util.EnumSet;
-import java.util.Set;
-import javax.faces.component.UINamingContainer;
-import javax.faces.component.search.ComponentNotFoundException;
-import javax.faces.component.search.SearchExpressionContext;
-import javax.faces.component.search.SearchExpressionHandler;
-import javax.faces.component.search.SearchExpressionHint;
 
 /*
  *<b>AjaxBehaviorRenderer</b> renders Ajax behavior for a component.
@@ -334,7 +335,7 @@ private static void appendIds(FacesContext facesContext,
 
             boolean clientResolveableExpression = expression.equals("@all") || expression.equals("@none") || expression.equals("@form") || expression.equals("@this");
 
-            if (composite != null && expression.equals("@this") || expression.startsWith("@this" + separatorChar)) {
+            if (composite != null && !isHandledByInsertChildren(component, composite) && (expression.equals("@this") || expression.startsWith("@this" + separatorChar))) {
                 expression = expression.replaceFirst("@this", separatorChar + composite.getClientId(facesContext));
                 clientResolveableExpression = false;
             }
@@ -371,6 +372,16 @@ private static void appendIds(FacesContext facesContext,
         builder.append("'");
     }
 
+    private static boolean isHandledByInsertChildren(UIComponent component, UIComponent composite) {
+        for (UIComponent parent = component.getParent(); parent != null && !parent.equals(composite); parent = parent.getParent()) {
+            if (parent.getAttributes().containsKey(InsertChildrenHandler.INDEX_ATTRIBUTE)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     // Returns the resolved (client id) for a particular id.
     private static String getResolvedId(UIComponent component, String id) {