diff --git a/common/flatpak-json-oci-private.h b/common/flatpak-json-oci-private.h
index ac15f213..56bd5781 100644
--- a/common/flatpak-json-oci-private.h
+++ b/common/flatpak-json-oci-private.h
@@ -27,10 +27,12 @@ G_BEGIN_DECLS
 
 #define FLATPAK_OCI_MEDIA_TYPE_DESCRIPTOR "application/vnd.oci.descriptor.v1+json"
 #define FLATPAK_OCI_MEDIA_TYPE_IMAGE_MANIFEST "application/vnd.oci.image.manifest.v1+json"
+#define FLATPAK_DOCKER_MEDIA_TYPE_IMAGE_MANIFEST2 "application/vnd.docker.distribution.manifest.v2+json"
 #define FLATPAK_OCI_MEDIA_TYPE_IMAGE_INDEX "application/vnd.oci.image.index.v1+json"
 #define FLATPAK_OCI_MEDIA_TYPE_IMAGE_LAYER "application/vnd.oci.image.layer.v1.tar+gzip"
 #define FLATPAK_OCI_MEDIA_TYPE_IMAGE_LAYER_NONDISTRIBUTABLE "application/vnd.oci.image.layer.nondistributable.v1.tar+gzip"
 #define FLATPAK_OCI_MEDIA_TYPE_IMAGE_CONFIG "application/vnd.oci.image.config.v1+json"
+#define FLATPAK_DOCKER_MEDIA_TYPE_IMAGE_IMAGE_CONFIG "application/vnd.docker.container.image.v1+json"
 
 #define FLATPAK_OCI_SIGNATURE_TYPE_FLATPAK "flatpak oci image signature"