diff --git a/src/SQL2Linked/Implementations/ProjectStructuralData.cs b/src/SQL2Linked/Implementations/ProjectStructuralData.cs
index 7fb8f51fe5f554210b8e46cb4f9cc0a6936cbf98..c9c8fe1f69894c0550c2bb478610877a0bc97e62 100644
--- a/src/SQL2Linked/Implementations/ProjectStructuralData.cs
+++ b/src/SQL2Linked/Implementations/ProjectStructuralData.cs
@@ -89,7 +89,7 @@ namespace SQL2Linked.Implementations
                     }
                 }
 
-                AssertToGraphLiteralNode(graph, projectGraphName, cosc + "terms/project#deleted", entry.Deleted.ToString(), new Uri("http://www.w3.org/2001/XMLSchema#boolean"));
+                AssertToGraphLiteralNode(graph, projectGraphName, cosc + "terms/project#deleted", entry.Deleted.ToString().ToLower(), new Uri("http://www.w3.org/2001/XMLSchema#boolean"));
                 Console.WriteLine($"For project '{entry.DisplayName}' will migrate triple '{projectGraphName} {cosc}terms/project#deleted {entry.Deleted}'. ");
 
                 AssertToGraphLiteralNode(graph, projectGraphName, cosc + "terms/project#slug", entry.Slug);
diff --git a/src/SQL2Linked/Implementations/ResourceStructuralData.cs b/src/SQL2Linked/Implementations/ResourceStructuralData.cs
index 4acd46988e676d50936dc68d2dcbdcdec78415fe..5abfa13c7b198582471261ce59fd30be2080ac95 100644
--- a/src/SQL2Linked/Implementations/ResourceStructuralData.cs
+++ b/src/SQL2Linked/Implementations/ResourceStructuralData.cs
@@ -107,7 +107,7 @@ namespace SQL2Linked.Implementations
                 AssertToGraphUriNode(graph, resourceGraphName, dcterms + "creator", cosc + $"users/{entry.Creator}");
                 Console.WriteLine($"For resource '{entry.DisplayName}' will migrate triple '{resourceGraphName} {dcterms}creator {cosc}users/{entry.Creator}'. ");
 
-                AssertToGraphLiteralNode(graph, resourceGraphName, cosc + "terms/resource#archived", entry.Archived.ToString(), new Uri("http://www.w3.org/2001/XMLSchema#boolean"));
+                AssertToGraphLiteralNode(graph, resourceGraphName, cosc + "terms/resource#archived", entry.Archived.ToString().ToLower(), new Uri("http://www.w3.org/2001/XMLSchema#boolean"));
                 Console.WriteLine($"For resource '{entry.DisplayName}' will migrate triple '{resourceGraphName} {cosc}terms/resource#archived {entry.Archived}'. ");
 
                 AssertToGraphUriNode(graph, resourceGraphName, foaf + "homepage", resourceGraphName);
diff --git a/src/SQL2Linked/SQL2Linked.csproj b/src/SQL2Linked/SQL2Linked.csproj
index 3a6ecf9989fe4cb9dbd2e29547670f86fb7c29fb..03446d6e0fd96964da8213d1de7e7d2ce3339031 100644
--- a/src/SQL2Linked/SQL2Linked.csproj
+++ b/src/SQL2Linked/SQL2Linked.csproj
@@ -5,7 +5,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-  <Version>0.1.3</Version></PropertyGroup>
+  <Version>0.1.4</Version></PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Coscine.Database" Version="2.*-*" />