diff --git a/src/Strata.SqlTools.EFCore/Services/QueryBreakdownMapper.cs b/src/Strata.SqlTools.EFCore/Services/QueryBreakdownMapper.cs
index f68abe0..f84ea88 100644
--- a/src/Strata.SqlTools.EFCore/Services/QueryBreakdownMapper.cs
+++ b/src/Strata.SqlTools.EFCore/Services/QueryBreakdownMapper.cs
@@ -166,7 +166,9 @@ public class QueryBreakdownMapper : IQueryBreakdownMapper
                     ? paramEntity.ParameterName
                     : $"@{paramEntity.ParameterName}";
 
+#pragma warning disable CS8601 // Parameters is Dictionary<string, object> but SQL parameter values can legitimately be null; widening the public dict value type is a broad ripple, deferred.
                 queryBreakdown.Parameters[key] = DeserializeParameterValue(paramEntity);
+#pragma warning restore CS8601
             }
         }