diff --git a/TopModel.Generator.Jpa/SpringServerApiGenerator.cs b/TopModel.Generator.Jpa/SpringServerApiGenerator.cs
index 1b8a141d..5cea13d5 100644
--- a/TopModel.Generator.Jpa/SpringServerApiGenerator.cs
+++ b/TopModel.Generator.Jpa/SpringServerApiGenerator.cs
@@ -67,6 +67,13 @@ private static string GetClassName(string fileName)
         return $"{fileName.ToPascalCase()}Controller";
     }
 
+    private void AddImports(IEnumerable<Endpoint> endpoints, JavaWriter fw, string tag)
+    {
+        fw.AddImports(endpoints.Select(e => $"org.springframework.web.bind.annotation.{e.Method.ToPascalCase(true)}Mapping"));
+        fw.AddImports(GetTypeImports(endpoints, tag));
+        fw.AddImports(endpoints.SelectMany(e => Config.GetDecoratorImports(e, tag)));
+    }
+
     private IEnumerable<string> GetTypeImports(IEnumerable<Endpoint> endpoints, string tag)
     {
         var properties = endpoints.SelectMany(endpoint => endpoint.Params)
@@ -177,11 +184,4 @@ private void WriteEndpoint(JavaWriter fw, Endpoint endpoint, string tag)
 
         fw.WriteLine(1, $"{returnType} {endpoint.NameCamel}({string.Join(", ", methodParams)});");
     }
-
-    private void AddImports(IEnumerable<Endpoint> endpoints, JavaWriter fw, string tag)
-    {
-        fw.AddImports(endpoints.Select(e => $"org.springframework.web.bind.annotation.{e.Method.ToPascalCase(true)}Mapping"));
-        fw.AddImports(GetTypeImports(endpoints, tag));
-        fw.AddImports(endpoints.SelectMany(e => Config.GetDecoratorImports(e, tag)));
-    }
 }
diff --git a/TopModel.Utils/ModuleLatestVersion.cs b/TopModel.Utils/ModuleLatestVersion.cs
index ee4beae3..d472d02f 100644
--- a/TopModel.Utils/ModuleLatestVersion.cs
+++ b/TopModel.Utils/ModuleLatestVersion.cs
@@ -1,3 +1,3 @@
 namespace TopModel.Utils;
 
-public record ModuleLatestVersion(string Version, DateTime CheckDate);
+public record ModuleLatestVersion(string? Version, DateTime CheckDate);
diff --git a/TopModel.Utils/NugetUtils.cs b/TopModel.Utils/NugetUtils.cs
index b8275947..d1e073d5 100644
--- a/TopModel.Utils/NugetUtils.cs
+++ b/TopModel.Utils/NugetUtils.cs
@@ -60,6 +60,11 @@ public static async Task<PackageArchiveReader> DownloadPackageAsync(string id, s
             }
             else
             {
+                if (cachedVersion.Version == null)
+                {
+                    return null;
+                }
+
                 return new TopModelLockModule { Version = cachedVersion.Version };
             }
         }
@@ -85,6 +90,8 @@ public static async Task<PackageArchiveReader> DownloadPackageAsync(string id, s
         {
             // Si on a pas internet par exemple.
             cantCheckVersion = true;
+            Versions[id] = new(null, DateTime.UtcNow);
+            await WriteAsync();
             return null;
         }
     }