diff --git a/splink/internals/predict.py b/splink/internals/predict.py
index aaaba7c25d..420d49f683 100644
--- a/splink/internals/predict.py
+++ b/splink/internals/predict.py
@@ -97,7 +97,9 @@ def predict_from_comparison_vectors_sqls(
         bf_terms,
         sql_infinity_expression,
     )
-
+    # Add condition to treat case of 0 as None
+    if threshold_match_probability == 0:
+        threshold_match_probability = None
     # In case user provided both, take the minimum of the two thresholds
     if threshold_match_probability is not None:
         thres_prob_as_weight = prob_to_match_weight(threshold_match_probability)