diff --git a/dowhy/causal_refuters/data_subset_refuter.py b/dowhy/causal_refuters/data_subset_refuter.py
index 3627423ab1..22dbbfc8b9 100755
--- a/dowhy/causal_refuters/data_subset_refuter.py
+++ b/dowhy/causal_refuters/data_subset_refuter.py
@@ -120,7 +120,7 @@ def refute_data_subset(
 
     logger.info(
         "Refutation over {} simulated datasets of size {} each".format(
-            subset_fraction, subset_fraction * len(data.index)
+            num_simulations, subset_fraction * len(data.index)
         )
     )