diff --git a/python/lsst/analysis/tools/actions/keyedData/stellarLocusFit.py b/python/lsst/analysis/tools/actions/keyedData/stellarLocusFit.py
index d97873a9f..9cfd5b96b 100644
--- a/python/lsst/analysis/tools/actions/keyedData/stellarLocusFit.py
+++ b/python/lsst/analysis/tools/actions/keyedData/stellarLocusFit.py
@@ -328,7 +328,7 @@ class StellarLocusFitAction(KeyedDataAction):
             "bHW": 0.0,
             "nSigmaToClip1": 3.5,
             "nSigmaToClip2": 5.0,
-            "minObjectForFit": 3,
+            "minObjectForFit": 4,
         },
     )