diff --git a/fedora.conf b/fedora.conf
index af82930..c1822b8 100644
--- a/fedora.conf
+++ b/fedora.conf
@@ -747,52 +747,32 @@ live_images = [
     }),
 ]
 
-ostree = [
-    ("^AtomicHost$", {
-        "aarch64": {
-            "version": '!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN',
-            "treefile": "fedora-atomic-host.json",
-            "config_url": "https://pagure.io/fedora-atomic.git",
-            "config_branch": "f29",
-            "repo": "Everything",
-            "tag_ref": False,
-            "ostree_repo": "/mnt/koji/compose/atomic/repo/",
-            'failable': ['*'],
-        },
-        "x86_64": {
-            "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
-            "treefile": "fedora-atomic-host.json",
-            "config_url": "https://pagure.io/fedora-atomic.git",
-            "config_branch": "f29",
-            "repo": "Everything",
-            "tag_ref": False,
-            "ostree_repo": "/mnt/koji/compose/atomic/repo/",
-            'failable': ['*'],
-        },
-        "ppc64le": {
-            "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
-            "treefile": "fedora-atomic-host.json",
-            "config_url": "https://pagure.io/fedora-atomic.git",
-            "config_branch": "f29",
-            "repo": "Everything",
-            "tag_ref": False,
-            "ostree_repo": "/mnt/koji/compose/atomic/repo/",
-            'failable': ['*'],
-        }
-    }),
-    ("^Silverblue$", {
-        "x86_64": {
-            "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
-            "treefile": "fedora-atomic-workstation.json",
-            "config_url": "https://pagure.io/workstation-ostree-config.git",
-            "config_branch": "f29",
-            "repo": "Workstation",
-            "tag_ref": False,
-            "ostree_repo": "/mnt/koji/compose/atomic/repo/",
-            'failable': ['*'],
-        }
-    })
-]
+ostree = {
+    "^AtomicHost$": {
+        "version": '!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN',
+        "treefile": "fedora-atomic-host.json",
+        "config_url": "https://pagure.io/fedora-atomic.git",
+        "config_branch": "f29",
+        "repo": "Everything",
+        "tag_ref": False,
+        "ostree_repo": "/mnt/koji/compose/atomic/repo/",
+        "ostree_ref": "fedora/29/${basearch}/atomic-host",
+        "arches": ["aarch64", "ppc64le", "x86_64"],
+        "failable": ['*'],
+    },
+    "^Silverblue$": {
+        "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
+        "treefile": "fedora-atomic-workstation.json",
+        "config_url": "https://pagure.io/workstation-ostree-config.git",
+        "config_branch": "f29",
+        "repo": "Workstation",
+        "tag_ref": False,
+        "ostree_repo": "/mnt/koji/compose/atomic/repo/",
+        "ostree_ref": "fedora/29/${basearch}/silverblue",
+        "arches": ["x86_64"],
+        "failable": ['*'],
+    }
+}
 
 ostree_installer = [
     ("^AtomicHost$", {