--- a/eric7/HelpViewer/HelpViewerImplQTB.py	Wed Jun 22 17:53:08 2022 +0200
+++ b/eric7/HelpViewer/HelpViewerImplQTB.py	Thu Jun 23 17:54:29 2022 +0200
@@ -73,7 +73,10 @@
         @param url source of the document
         @type QUrl
         """
-        self.setSource(url)
+        if url.toString() == "about:blank":
+            self.setHtml(self.__helpViewerWidget.emptyDocument())
+        else:
+            self.setSource(url)
     
     def link(self):
         """