diff --git a/src/UnitTesting.Common/OptionalExtensions.cs b/src/UnitTesting.Common/OptionalExtensions.cs
index 0f89ed4f..cc5fc46d 100644
--- a/src/UnitTesting.Common/OptionalExtensions.cs
+++ b/src/UnitTesting.Common/OptionalExtensions.cs
@@ -8,9 +8,9 @@ namespace UnitTesting.Common;
 public static class OptionalExtensions
 {
     public static AndConstraint<DateTimeAssertions> BeNear(this OptionalAssertions<DateTime> assertions,
-        DateTime nearbyTime, int precision = 850, string because = "", params object[] becauseArgs)
+        Optional<DateTime> nearbyTime, int precision = 850, string because = "", params object[] becauseArgs)
     {
-        return new DateTimeAssertions(!assertions.Subject.HasValue
+        return new DateTimeAssertions(assertions.Subject.HasValue
                 ? assertions.Subject.Value
                 : null)
             .BeNear(nearbyTime, TimeSpan.FromMilliseconds(precision), because, becauseArgs);