diff --git a/debian/changelog b/debian/changelog
index 7e4ddca6a..fb7985f9d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,7 @@ linux (3.11.6-2) UNRELEASED; urgency=low
     available
   * [ia64] Reduce compiler version to gcc-4.6, matching gcc-defaults
     (fixes FTBFS)
+  * [armhf] Bump ABI to 1a, as enabling Xen and KVM support changes ABI
 
   [ Aurelien Jarno ]
   * UAPI: include <asm/byteorder.h> in linux/raid/md_p.h.
diff --git a/debian/config/armhf/defines b/debian/config/armhf/defines
index 989613f0c..35f561883 100644
--- a/debian/config/armhf/defines
+++ b/debian/config/armhf/defines
@@ -1,3 +1,6 @@
+[abi]
+abiname: 1a
+
 [base]
 flavours:
  armmp