diff --git a/schemas/v1/device.schema.json b/schemas/v1/device.schema.json
index 1426ef6..3d3fc0b 100644
--- a/schemas/v1/device.schema.json
+++ b/schemas/v1/device.schema.json
@@ -182,7 +182,7 @@
           "provider": {
             "description": "Provider slug, `owner/name`.",
             "type": "string",
-            "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]*/[A-Za-z0-9][A-Za-z0-9._-]*$"
+            "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]*/[A-Za-z0-9._-]+$"
           },
           "workspace_root": {
             "description": "Key of the `workspace_roots` entry this checkout sits under. Absent for an out-of-estate checkout, which by ADR 0025 has no declared root.",
diff --git a/tests/fixtures/schemas/v1/valid-device.yaml b/tests/fixtures/schemas/v1/valid-device.yaml
index 40353d1..bd81826 100644
--- a/tests/fixtures/schemas/v1/valid-device.yaml
+++ b/tests/fixtures/schemas/v1/valid-device.yaml
@@ -23,3 +23,9 @@ harnesses:
 
 state:
   path: "${XDG_STATE_HOME}/github-device-sync"
+
+repositories:
+  - provider: "example-organization/.github"
+    workspace_root: "organization"
+    path: "organization/.github"
+    materialization: "checkout"