diff --git a/SeaHavenIndustries.Tests/WorkOrderAdvancedSearchDateRangeTests.cs b/SeaHavenIndustries.Tests/WorkOrderAdvancedSearchDateRangeTests.cs
index 4bacc93..634c12f 100644
--- a/SeaHavenIndustries.Tests/WorkOrderAdvancedSearchDateRangeTests.cs
+++ b/SeaHavenIndustries.Tests/WorkOrderAdvancedSearchDateRangeTests.cs
@@ -49,6 +49,12 @@ public class WorkOrderAdvancedSearchDateRangeTests
             istemplate = false
         };
 
+    private static WorkOrder NotWeekOnly(WorkOrder wo)
+    {
+        wo.ScheduleWeekOnly = false;
+        return wo;
+    }
+
     private static WorkOrderAdvancedSearchQueryDto UnassignedInRange(bool includeDateless = false) => new()
     {
         DatePreset = WorkOrderAdvancedSearchDatePreset.Custom,
@@ -105,7 +111,12 @@ public class WorkOrderAdvancedSearchDateRangeTests
         context.workOrders.AddRange(
             Wo(1, null, targetWeek: new DateOnly(2026, 9, 21)),
             Wo(2, null, targetWeek: new DateOnly(2026, 9, 14)),
-            Wo(3, null, targetWeek: new DateOnly(2026, 9, 28)));
+            Wo(3, null, targetWeek: new DateOnly(2026, 9, 28)),
+            // Week-only with a leftover date outside the range: the week decides,
+            // as on the board page (SH-391).
+            Wo(4, new DateTime(2026, 10, 2), targetWeek: new DateOnly(2026, 9, 21)),
+            // Not week-only: its date decides, so a target week does not bring it in.
+            NotWeekOnly(Wo(5, new DateTime(2026, 10, 2), targetWeek: new DateOnly(2026, 9, 21))));
         await context.SaveChangesAsync();
 
         // Wed–Fri of the week of 9/21: the week-only row for that week overlaps it.
@@ -117,7 +128,7 @@ public class WorkOrderAdvancedSearchDateRangeTests
             Dispatchers = new List<string> { "__unassigned__" }
         }, WorkOrderAccountTestHelpers.OrgWideAdmin(), null);
 
-        Assert.Equal(new[] { 1 }, result.Items.Select(i => i.Id).ToArray());
+        Assert.Equal(new[] { 1, 4 }, result.Items.Select(i => i.Id).OrderBy(id => id).ToArray());
     }
 
     [Fact]