diff --git a/debian/changelog b/debian/changelog
index 6f4f7db22..a4d8a43ec 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -12,6 +12,7 @@ linux (4.11.3-1) UNRELEASED; urgency=medium
 
   [ Ben Hutchings ]
   * [x86] Enable SERIAL_8250_MID as built-in (Closes: #864368)
+  * Set ABI to 1
 
  -- Ben Hutchings <ben@decadent.org.uk>  Tue, 06 Jun 2017 20:43:11 +0100
 
diff --git a/debian/config/defines b/debian/config/defines
index 93a8c1032..32218b54d 100644
--- a/debian/config/defines
+++ b/debian/config/defines
@@ -1,5 +1,5 @@
 [abi]
-abiname: trunk
+abiname: 1
 ignore-changes:
  __cpuhp_*
  bpf_analyzer