--- a/eric6/WebBrowser/Tools/Scripts.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/WebBrowser/Tools/Scripts.py	Tue Mar 02 17:17:09 2021 +0100
@@ -270,7 +270,9 @@
     
     values = ""
     query = QUrlQuery(data)
-    for name, value in query.queryItems(QUrl.FullyDecoded):
+    for name, value in query.queryItems(
+        QUrl.ComponentFormattingOption.FullyDecoded
+    ):
         value = value.replace("'", "\\'")
         name = name.replace("'", "\\'")
         values += valueSource.format(name, value)