diff --git a/services/acl/Acl.IntegrationTests/OpenZaakGatewayIntegrationTests.cs b/services/acl/Acl.IntegrationTests/OpenZaakGatewayIntegrationTests.cs
index 1a7a87a..4dbd24b 100644
--- a/services/acl/Acl.IntegrationTests/OpenZaakGatewayIntegrationTests.cs
+++ b/services/acl/Acl.IntegrationTests/OpenZaakGatewayIntegrationTests.cs
@@ -118,6 +118,9 @@ public sealed class OpenZaakGatewayIntegrationTests(OpenZaakFixture stack)
         Assert.Equal("diploma.pdf", doc.GetProperty("bestandsnaam").GetString());
         Assert.Equal(informatieobjecttype.ToString(), doc.GetProperty("informatieobjecttype").GetString());
         Assert.Equal(content.Length, doc.GetProperty("bestandsomvang").GetInt32());
+        // indicatieGebruiksrecht is recorded as "no restrictions"; left null, OpenZaak would refuse to
+        // close the zaak this document is related to (the S-10b regression that broke the e2e flow).
+        Assert.False(doc.GetProperty("indicatiegebruiksrecht").GetBoolean());
 
         // ...and it is related to the zaak (a zaakinformatieobject links the two).
         var relations = await stack.GetJsonAsync(new Uri(stack.BaseUrl,
diff --git a/services/acl/Acl.Tests/OpenZaakGatewayTests.cs b/services/acl/Acl.Tests/OpenZaakGatewayTests.cs
index e5974b1..a66a3fe 100644
--- a/services/acl/Acl.Tests/OpenZaakGatewayTests.cs
+++ b/services/acl/Acl.Tests/OpenZaakGatewayTests.cs
@@ -489,6 +489,9 @@ public class OpenZaakGatewayTests
         Assert.Contains("\"formaat\":\"application/pdf\"", create.Body);
         Assert.Contains("\"vertrouwelijkheidaanduiding\":\"openbaar\"", create.Body);
         Assert.Contains("\"status\":\"definitief\"", create.Body);
+        // indicatieGebruiksrecht must be set explicitly (false = no usage restrictions); left null,
+        // OpenZaak refuses to close the zaak this document is related to ("indicatiegebruiksrecht-unset").
+        Assert.Contains("\"indicatiegebruiksrecht\":false", create.Body);
         // The file content is base64-encoded into `inhoud`, with its byte length in `bestandsomvang`.
         Assert.Contains($"\"inhoud\":\"{Convert.ToBase64String([10, 20, 30])}\"", create.Body);
         Assert.Contains("\"bestandsomvang\":3", create.Body);