diff --git a/pyqtgraph/graphicsItems/tests/test_ROI.py b/pyqtgraph/graphicsItems/tests/test_ROI.py
index 10c6009b..941b97a6 100644
--- a/pyqtgraph/graphicsItems/tests/test_ROI.py
+++ b/pyqtgraph/graphicsItems/tests/test_ROI.py
@@ -8,6 +8,7 @@ from pyqtgraph.tests import assertImageApproved, mouseMove, mouseDrag, mouseClic
 import pytest
 
 app = pg.mkQApp()
+pg.setConfigOption("mouseRateLimit", 0)
 
 def test_getArrayRegion(transpose=False):
     pr = pg.PolyLineROI([[0, 0], [27, 0], [0, 28]], closed=True)