diff --git a/Chapter-2-modules-separation/Src/Fitnet.AppHost/Program.cs b/Chapter-2-modules-separation/Src/Fitnet.AppHost/Program.cs
index c616513b..7d318f52 100644
--- a/Chapter-2-modules-separation/Src/Fitnet.AppHost/Program.cs
+++ b/Chapter-2-modules-separation/Src/Fitnet.AppHost/Program.cs
@@ -8,10 +8,10 @@
 
 builder.AddProject<Fitnet>("fitnet")
     .WithEnvironment("ASPNETCORE_ENVIRONMENT", "Development")
-    .WithEnvironment("Passes__ConnectionStrings__Primary", db)
-    .WithEnvironment("Contracts__ConnectionStrings__Primary", db)
-    .WithEnvironment("Reports__ConnectionStrings__Primary", db)
-    .WithEnvironment("Offers__ConnectionStrings__Primary", db)
+    .WithEnvironment("Modules__Passes__ConnectionStrings__Primary", db)
+    .WithEnvironment("Modules__Contracts__ConnectionStrings__Primary", db)
+    .WithEnvironment("Modules__Reports__ConnectionStrings__Primary", db)
+    .WithEnvironment("Modules__Offers__ConnectionStrings__Primary", db)
     .WaitFor(postgres);
 
 await builder.Build().RunAsync();