diff --git a/config/skyCorr.py b/config/skyCorr.py
index 6b664bc1..09223225 100644
--- a/config/skyCorr.py
+++ b/config/skyCorr.py
@@ -4,6 +4,7 @@
 config.bgModel2.xSize = 256 * 0.015  # in mm
 config.bgModel2.ySize = 256 * 0.015  # in mm
 config.bgModel2.pixelSize = 0.015  # mm per pixel
+config.bgModel2.minFrac = 0.5
 
 # Detection overrides to keep results the same post DM-39796
 config.maskObjects.detection.doTempLocalBackground = False