diff --git a/fedora-iot.conf b/fedora-iot.conf
index 989d405..5fead46 100644
--- a/fedora-iot.conf
+++ b/fedora-iot.conf
@@ -22,7 +22,7 @@ sigkeys = ['e99d6ad1']
 tree_arches = ['aarch64', 'x86_64', "ppc64le", "s390x"]
 # limit tree variants
 # if undefined, all variants from variants.xml will be included
-tree_variants = ['IoT', 'bootc', 'bootc-base']
+tree_variants = ['IoT']
 hashed_directories = True
 
 # RUNROOT settings
@@ -273,24 +273,28 @@ ostree = {
 }
 
 ostree_container = {
-    "^bootc$": {
-        "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
-        "config_url": "https://pagure.io/fedora-iot/base-images",
-        "config_branch": "f41",
-        "treefile": "fedora-bootc.yaml",
-        "repo": ["https://kojipkgs.fedoraproject.org/compose/branched/latest-Fedora-41/compose/Everything/$basearch/os/"],
-        "arches": ["x86_64", "aarch64", "ppc64le", "s390x"],
-        "failable": ['*'],
-    },
-    "^bootc-base$": {
-        "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
-        "config_url": "https://pagure.io/fedora-iot/ostree.git",
-        "config_branch": "f41",
-        "treefile": "fedora-iot-bootc.yaml",
-        "repo": ["https://kojipkgs.fedoraproject.org/compose/branched/latest-Fedora-41/compose/Everything/$basearch/os/"],
-        "arches": ["x86_64", "aarch64"],
-        "failable": ['*'],
-    },
+    "^IoT$": [
+        {
+            "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
+            "config_url": "https://pagure.io/fedora-iot/base-images",
+            "config_branch": "f41",
+            "treefile": "fedora-bootc.yaml",
+            "repo": ["https://kojipkgs.fedoraproject.org/compose/branched/latest-Fedora-41/compose/Everything/$basearch/os/"],
+            "arches": ["x86_64", "aarch64", "ppc64le", "s390x"],
+            "failable": ['*'],
+            "subvariant": "bootc",
+        },
+        {
+            "version": "!OSTREE_VERSION_FROM_LABEL_DATE_TYPE_RESPIN",
+            "config_url": "https://pagure.io/fedora-iot/ostree.git",
+            "config_branch": "f41",
+            "treefile": "fedora-iot-bootc.yaml",
+            "repo": ["https://kojipkgs.fedoraproject.org/compose/branched/latest-Fedora-41/compose/Everything/$basearch/os/"],
+            "arches": ["x86_64", "aarch64"],
+            "failable": ['*'],
+            "subvariant": "IoT_bootc_base",
+        },
+    ]
 }
 
 koji_profile = 'compose_koji'