diff --git a/src/TickerQ.EntityFrameworkCore/Configurations/CronTickerConfigurations.cs b/src/TickerQ.EntityFrameworkCore/Configurations/CronTickerConfigurations.cs
index ffcf2a5a..c87f5f7e 100644
--- a/src/TickerQ.EntityFrameworkCore/Configurations/CronTickerConfigurations.cs
+++ b/src/TickerQ.EntityFrameworkCore/Configurations/CronTickerConfigurations.cs
@@ -28,7 +28,8 @@ public void Configure(EntityTypeBuilder<TCronTicker> builder)
 
             builder.Property(e => e.IsEnabled)
                 .IsRequired()
-                .HasDefaultValue(true);
+                .HasDefaultValueSql("1")
+                .HasSentinel(true);
 
             builder.ToTable("CronTickers", _schema);
         }
diff --git a/tests/TickerQ.EntityFrameworkCore.Tests/Infrastructure/CronTickerConfigurationTests.cs b/tests/TickerQ.EntityFrameworkCore.Tests/Infrastructure/CronTickerConfigurationTests.cs
new file mode 100644
index 00000000..4a38c686
--- /dev/null
+++ b/tests/TickerQ.EntityFrameworkCore.Tests/Infrastructure/CronTickerConfigurationTests.cs
@@ -0,0 +1,188 @@
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata;
+
+using TickerQ.EntityFrameworkCore.Configurations;
+using TickerQ.Utilities.Entities;
+
+namespace TickerQ.EntityFrameworkCore.Tests.Infrastructure;
+
+public class CronTickerConfigurationTests : IAsyncLifetime
+{
+    private SqliteConnection _connection;
+    private DbContextOptions<TestTickerQDbContext> _options;
+    private TestTickerQDbContext _context;
+
+    public async Task InitializeAsync()
+    {
+        _connection = new SqliteConnection("Data Source=:memory:");
+        await _connection.OpenAsync();
+
+        _options = new DbContextOptionsBuilder<TestTickerQDbContext>()
+            .UseSqlite(_connection)
+            .Options;
+
+        _context = new TestTickerQDbContext(_options);
+        await _context.Database.EnsureCreatedAsync();
+    }
+
+    public async Task DisposeAsync()
+    {
+        await _context.DisposeAsync();
+        await _connection.DisposeAsync();
+    }
+
+    [Fact]
+    public void IsEnabled_Uses_DefaultValueSql_Not_DefaultValue()
+    {
+        var entityType = _context.Model.FindEntityType(typeof(CronTickerEntity))!;
+        var property = entityType.FindProperty(nameof(CronTickerEntity.IsEnabled))!;
+
+        // HasDefaultValueSql sets the relational default SQL, not the CLR default value
+        var relational = property.GetDefaultValueSql();
+        Assert.Equal("1", relational);
+
+        // The sentinel is set to true so EF Core sends false explicitly
+        var sentinel = property.Sentinel;
+        Assert.Equal(true, sentinel);
+    }
+
+    [Fact]
+    public void IsEnabled_Is_Required()
+    {
+        var entityType = _context.Model.FindEntityType(typeof(CronTickerEntity))!;
+        var property = entityType.FindProperty(nameof(CronTickerEntity.IsEnabled))!;
+
+        Assert.False(property.IsNullable);
+    }
+
+    [Fact]
+    public async Task Insert_CronTicker_Without_IsEnabled_Gets_Default_True()
+    {
+        // The C# property initializer sets IsEnabled = true,
+        // and the database default is 1 — both paths produce true.
+        var ticker = new CronTickerEntity
+        {
+            Id = Guid.NewGuid(),
+            Function = "TestFunc",
+            Expression = "* * * * *",
+            CreatedAt = DateTime.UtcNow,
+            UpdatedAt = DateTime.UtcNow,
+            Request = Array.Empty<byte>()
+        };
+
+        _context.Set<CronTickerEntity>().Add(ticker);
+        await _context.SaveChangesAsync();
+
+        // Detach and re-read from DB to verify
+        _context.ChangeTracker.Clear();
+        var fromDb = await _context.Set<CronTickerEntity>()
+            .AsNoTracking()
+            .FirstAsync(e => e.Id == ticker.Id);
+
+        Assert.True(fromDb.IsEnabled);
+    }
+
+    [Fact]
+    public async Task Insert_CronTicker_With_IsEnabled_False_Persists()
+    {
+        var ticker = new CronTickerEntity
+        {
+            Id = Guid.NewGuid(),
+            Function = "TestFunc",
+            Expression = "* * * * *",
+            IsEnabled = false,
+            CreatedAt = DateTime.UtcNow,
+            UpdatedAt = DateTime.UtcNow,
+            Request = Array.Empty<byte>()
+        };
+
+        _context.Set<CronTickerEntity>().Add(ticker);
+        await _context.SaveChangesAsync();
+
+        _context.ChangeTracker.Clear();
+        var fromDb = await _context.Set<CronTickerEntity>()
+            .AsNoTracking()
+            .FirstAsync(e => e.Id == ticker.Id);
+
+        Assert.False(fromDb.IsEnabled);
+    }
+
+    [Fact]
+    public async Task Toggle_IsEnabled_RoundTrips_Correctly()
+    {
+        var ticker = new CronTickerEntity
+        {
+            Id = Guid.NewGuid(),
+            Function = "TestFunc",
+            Expression = "* * * * *",
+            IsEnabled = true,
+            CreatedAt = DateTime.UtcNow,
+            UpdatedAt = DateTime.UtcNow,
+            Request = Array.Empty<byte>()
+        };
+
+        _context.Set<CronTickerEntity>().Add(ticker);
+        await _context.SaveChangesAsync();
+        _context.ChangeTracker.Clear();
+
+        // Toggle to false
+        var entity = await _context.Set<CronTickerEntity>().FirstAsync(e => e.Id == ticker.Id);
+        entity.IsEnabled = false;
+        await _context.SaveChangesAsync();
+        _context.ChangeTracker.Clear();
+
+        var fromDb = await _context.Set<CronTickerEntity>()
+            .AsNoTracking()
+            .FirstAsync(e => e.Id == ticker.Id);
+        Assert.False(fromDb.IsEnabled);
+
+        // Toggle back to true
+        var entity2 = await _context.Set<CronTickerEntity>().FirstAsync(e => e.Id == ticker.Id);
+        entity2.IsEnabled = true;
+        await _context.SaveChangesAsync();
+        _context.ChangeTracker.Clear();
+
+        var fromDb2 = await _context.Set<CronTickerEntity>()
+            .AsNoTracking()
+            .FirstAsync(e => e.Id == ticker.Id);
+        Assert.True(fromDb2.IsEnabled);
+    }
+
+    [Fact]
+    public async Task Where_IsEnabled_Filter_Returns_Only_Enabled()
+    {
+        var enabled = new CronTickerEntity
+        {
+            Id = Guid.NewGuid(),
+            Function = "Enabled",
+            Expression = "* * * * *",
+            IsEnabled = true,
+            CreatedAt = DateTime.UtcNow,
+            UpdatedAt = DateTime.UtcNow,
+            Request = Array.Empty<byte>()
+        };
+        var disabled = new CronTickerEntity
+        {
+            Id = Guid.NewGuid(),
+            Function = "Disabled",
+            Expression = "* * * * *",
+            IsEnabled = false,
+            CreatedAt = DateTime.UtcNow,
+            UpdatedAt = DateTime.UtcNow,
+            Request = Array.Empty<byte>()
+        };
+
+        _context.Set<CronTickerEntity>().AddRange(enabled, disabled);
+        await _context.SaveChangesAsync();
+        _context.ChangeTracker.Clear();
+
+        var results = await _context.Set<CronTickerEntity>()
+            .AsNoTracking()
+            .Where(e => e.IsEnabled)
+            .ToListAsync();
+
+        Assert.Single(results);
+        Assert.Equal(enabled.Id, results[0].Id);
+    }
+}