diff --git a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/GExtensionStoreController.java b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/GExtensionStoreController.java
index 077c701..d725c7a 100644
--- a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/GExtensionStoreController.java
+++ b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/GExtensionStoreController.java
@@ -187,11 +187,11 @@ public class GExtensionStoreController implements Initializable {
 
                 webView.getEngine().executeScript(String.format("setHeading(\"%s\", \"%s\", \"%s\")",
                         WebUtils.escapeHtmlNoBackslash(overview.header().iconUrl()),
-                        WebUtils.escapeMessage(overview.header().title()),
-                        WebUtils.escapeMessage(overview.header().description())
+                        WebUtils.escapeMessageAndQuotes(overview.header().title()),
+                        WebUtils.escapeMessageAndQuotes(overview.header().description())
                 ));
                 webView.getEngine().executeScript(String.format("setContentTitle(\"%s\")",
-                        WebUtils.escapeMessage(overview.header().contentTitle())
+                        WebUtils.escapeMessageAndQuotes(overview.header().contentTitle())
                 ));
             });
         }
diff --git a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/WebUtils.java b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/WebUtils.java
index c5bad15..7565b34 100644
--- a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/WebUtils.java
+++ b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/WebUtils.java
@@ -66,6 +66,11 @@ public class WebUtils {
                 .replace("\r", "<br>");
     }
 
+    public static String escapeMessageAndQuotes(String text) {
+        text = escapeMessage(text);
+        return text.replace("\"", "&quot;");
+    }
+
     public static void clearElement(Element node) {
         while (node.hasChildNodes())
             node.removeChild(node.getFirstChild());