--- a/eric6/E5XML/TasksReader.py	Wed Jan 27 15:11:03 2021 +0100
+++ b/eric6/E5XML/TasksReader.py	Wed Jan 27 18:27:52 2021 +0100
@@ -68,7 +68,7 @@
                 elif self.name() == "ProjectScanFilter":
                     scanFilter = self.readElementText()
                     if self.forProject:
-                        self.viewer.projectTasksScanFilter = scanFilter
+                        self.viewer.setTasksScanFilter(scanFilter)
                 else:
                     self.raiseUnexpectedStartTag(self.name())