diff --git a/structurizr-onpremises/src/test/java/com/structurizr/onpremises/component/workspace/WorkspaceComponentImplTests.java b/structurizr-onpremises/src/test/java/com/structurizr/onpremises/component/workspace/WorkspaceComponentImplTests.java
index 88cdc7b..1d3029b 100644
--- a/structurizr-onpremises/src/test/java/com/structurizr/onpremises/component/workspace/WorkspaceComponentImplTests.java
+++ b/structurizr-onpremises/src/test/java/com/structurizr/onpremises/component/workspace/WorkspaceComponentImplTests.java
@@ -830,7 +830,7 @@ public void test_putWorkspace_ThrowsAnException_WhenWorkspaceScopeValidationIsSt
             workspaceComponent.putWorkspace(1, json);
             fail();
         } catch (WorkspaceComponentException e) {
-            assertEquals("Strict workspace scope validation has been enabled on this on-premises installation, but this workspace has no defined scope - see https://docs.structurizr.com/workspaces for more information.", e.getMessage());
+            assertEquals("Strict workspace scope validation has been enabled for this on-premises installation. Unscoped workspaces are not permitted - see https://docs.structurizr.com/workspaces for more information.", e.getMessage());
         }
     }