--- a/eric6/UI/AuthenticationDialog.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/UI/AuthenticationDialog.py	Tue Mar 02 17:17:09 2021 +0100
@@ -37,8 +37,9 @@
         
         self.iconLabel.setText("")
         self.iconLabel.setPixmap(
-            self.style().standardIcon(QStyle.SP_MessageBoxQuestion).pixmap(
-                32, 32))
+            self.style().standardIcon(
+                QStyle.StandardPixmap.SP_MessageBoxQuestion)
+            .pixmap(32, 32))
         
         msh = self.minimumSizeHint()
         self.resize(max(self.width(), msh.width()), msh.height())