diff --git a/Cicm.Database/Models/Resolution.cs b/Cicm.Database/Models/Resolution.cs
index 2310c6f4..daf9540c 100644
--- a/Cicm.Database/Models/Resolution.cs
+++ b/Cicm.Database/Models/Resolution.cs
@@ -44,7 +44,7 @@ namespace Cicm.Database.Models
         public int   Height  { get; set; }
         public long? Colors  { get; set; }
         public long? Palette { get; set; }
-        public sbyte Chars   { get; set; }
+        public bool  Chars   { get; set; }
 
         public virtual ICollection<ResolutionsByGpu> ResolutionsByGpu { get; set; }
     }
diff --git a/cicm_web/cicm_web.csproj b/cicm_web/cicm_web.csproj
index 983fb11b..08dac80e 100644
--- a/cicm_web/cicm_web.csproj
+++ b/cicm_web/cicm_web.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>netcoreapp2.2</TargetFramework>
-    <Version>3.0.99.446</Version>
+    <Version>3.0.99.449</Version>
     <Company>Canary Islands Computer Museum</Company>
     <Copyright>Copyright © 2003-2018 Natalia Portillo</Copyright>
     <Product>Canary Islands Computer Museum Website</Product>