diff --git a/mock/c7-kernel-alt.noarch.cfg b/mock/c7-kernel-alt.noarch.cfg
index 4fbe42b..9a23e76 100644
--- a/mock/c7-kernel-alt.noarch.cfg
+++ b/mock/c7-kernel-alt.noarch.cfg
@@ -1,4 +1,4 @@
-config:_opts['root'] = 'TARGETNAME'
+config_opts['root'] = 'TARGETNAME'
 config_opts['target_arch'] = 'noarch'
 config_opts['legal_host_arches'] = ('x86_64','noarch',)
 config_opts['chroot_setup_cmd'] = 'install bash bzip2 coreutils cpio diffutils centos-release findutils gawk gcc gcc-c++ grep gzip info make patch redhat-rpm-config rpm-build sed shadow-utils tar unzip util-linux which xz'