diff --git a/kernel-tools.spec b/kernel-tools.spec
index 41bc5fe..2e37de4 100644
--- a/kernel-tools.spec
+++ b/kernel-tools.spec
@@ -1,6 +1,9 @@
 # Much of this is borrowed from the original kernel.spec
 # It needs a bunch of the macros for rawhide vs. not-rawhide builds.
 
+# this should go away soon
+%define _legacy_common_support 1
+
 # For a stable, released kernel, released_kernel should be 1. For rawhide
 # and/or a kernel built from an rc or git snapshot, released_kernel should
 # be 0.