diff --git a/webfx-kit/webfx-kit-javafxweb-peers-gwt/src/main/java/dev/webfx/kit/mapper/peers/javafxweb/spi/gwt/HtmlWebViewPeer.java b/webfx-kit/webfx-kit-javafxweb-peers-gwt/src/main/java/dev/webfx/kit/mapper/peers/javafxweb/spi/gwt/HtmlWebViewPeer.java
index 856312031..1a7528f0e 100644
--- a/webfx-kit/webfx-kit-javafxweb-peers-gwt/src/main/java/dev/webfx/kit/mapper/peers/javafxweb/spi/gwt/HtmlWebViewPeer.java
+++ b/webfx-kit/webfx-kit-javafxweb-peers-gwt/src/main/java/dev/webfx/kit/mapper/peers/javafxweb/spi/gwt/HtmlWebViewPeer.java
@@ -2,6 +2,7 @@
 
 import dev.webfx.kit.mapper.peers.javafxgraphics.gwt.html.HtmlNodePeer;
 import dev.webfx.kit.mapper.peers.javafxgraphics.gwt.util.HtmlUtil;
+import dev.webfx.platform.util.Strings;
 import elemental2.dom.CSSProperties;
 import elemental2.dom.DomGlobal;
 import elemental2.dom.HTMLIFrameElement;
@@ -72,7 +73,10 @@ public void updateHeight(Number height) {
 
     @Override
     public void updateUrl(String url) {
-        if (url != null) {
+        if (url == null) {
+            if (!Strings.isEmpty(iFrame.src))
+                iFrame.src = "";
+        } else {
             // WebFX proposes different loading mode for the iFrame:
             Object webfxLoadingMode = getNode().getProperties().get("webfx-loadingMode");
             if ("prefetch".equals(webfxLoadingMode)) { // prefetch mode