diff --git a/src/rail/interfaces/pz_factory.py b/src/rail/interfaces/pz_factory.py
index 0e0da4d..196bd70 100644
--- a/src/rail/interfaces/pz_factory.py
+++ b/src/rail/interfaces/pz_factory.py
@@ -97,7 +97,7 @@ def run_cat_estimator_stage(
         return stage_obj.estimate(handle)
 
     @staticmethod
-    def evaluate_single_pz(
+    def estimate_single_pz(
         stage_obj: CatEstimator,
         data_table: dict,
         input_size: int=1,
diff --git a/tests/interfaces/test_pz_factory.py b/tests/interfaces/test_pz_factory.py
index 0339a14..77f24f4 100644
--- a/tests/interfaces/test_pz_factory.py
+++ b/tests/interfaces/test_pz_factory.py
@@ -18,7 +18,7 @@ def test_pz_factory():
 
     input_file = find_rail_file('examples_data/testdata/validation_10gal.hdf5')
     
-    out_single = PZFactory.evaluate_single_pz(stage, {'d':np.array([1,1])})
+    out_single = PZFactory.estimate_single_pz(stage, {'d':np.array([1,1])})
     assert out_single.npdf == 1
 
     out_handle = PZFactory.run_cat_estimator_stage(