diff --git a/tests/src/python/test_selective_masking.py b/tests/src/python/test_selective_masking.py
index 7620588f01988..d4f3139ba9ec9 100644
--- a/tests/src/python/test_selective_masking.py
+++ b/tests/src/python/test_selective_masking.py
@@ -65,6 +65,7 @@ def renderMapToImageWithTime(mapsettings, parallel=False, cache=None):
     :param bool parallel: Do parallel or sequential render job
     :rtype: QImage
     """
+    mapsettings.setLayers([])
     if parallel:
         job = QgsMapRendererParallelJob(mapsettings)
     else: