diff --git a/src/gui_qt/lib/pg_objects.py b/src/gui_qt/lib/pg_objects.py
index fba116b..f81e28a 100644
--- a/src/gui_qt/lib/pg_objects.py
+++ b/src/gui_qt/lib/pg_objects.py
@@ -383,6 +383,10 @@ class RegionItem(LinearRegionItem):
         if not hasattr(self, '_bounds') and hasattr(self, '_boundingRectCache'):
             self._bounds = self._boundingRectCache
 
+        for l in self.lines:
+            # higher z for borderlines improves chances that you can move it when multiple regions overlap
+            l.setZValue(self.zValue() + 1)
+
     def setLogMode(self, xmode, _):
         if self.logmode == xmode:
             return