diff --git a/docker-compose.directory.migrations.tests.yml b/docker-compose.directory.migrations.tests.yml
index 47f403abd..d2b78e96b 100644
--- a/docker-compose.directory.migrations.tests.yml
+++ b/docker-compose.directory.migrations.tests.yml
@@ -10,6 +10,8 @@ services:
       - directory-migrations-tests-results:/tests/FilterLists.Directory.Infrastructure.Migrations.Tests/TestResults
     depends_on:
       - directory-db
+    environment:
+      ConnectionStrings__DirectoryConnection: ${DIRECTORY_CONNECTION_STRING}
 
   directory-db:
     image: postgres:alpine
diff --git a/services/directory/tests/FilterLists.Directory.Infrastructure.Migrations.Tests/SeedQueryDbContextTest.cs b/services/directory/tests/FilterLists.Directory.Infrastructure.Migrations.Tests/SeedQueryDbContextTest.cs
index befc73940..ae1c30ed3 100644
--- a/services/directory/tests/FilterLists.Directory.Infrastructure.Migrations.Tests/SeedQueryDbContextTest.cs
+++ b/services/directory/tests/FilterLists.Directory.Infrastructure.Migrations.Tests/SeedQueryDbContextTest.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Threading.Tasks;
 using FilterLists.Directory.Infrastructure.Migrations.Migrations;
 using FilterLists.Directory.Infrastructure.Persistence.Queries.Context;
@@ -13,7 +14,8 @@ public async Task Migrate_DoesNotThrowException()
         {
             var exception = await Record.ExceptionAsync(async () =>
             {
-                const string connString = "Server=directory-db;Database=filterlists;Uid=filterlists;Pwd=filterlists;";
+                var connString = Environment.GetEnvironmentVariable("ConnectionStrings__DirectoryConnection") ??
+                                 throw new Exception();
                 var options = new DbContextOptionsBuilder<QueryDbContext>()
                     .UseNpgsql(connString, m => m.MigrationsAssembly(typeof(Initial).Assembly.GetName().Name))
                     .EnableSensitiveDataLogging()