diff --git a/debian/changelog b/debian/changelog
index 26a60a85c..a321af171 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -9,6 +9,7 @@ linux (4.12.2-1~exp1) UNRELEASED; urgency=medium
   * Add script to regenerate lockdown patch series from git
   * [rt] Disable until it is updated for 4.12 or later
   * scripts/mod: Update modpost wrapper for 4.12
+  * Set ABI name to trunk
 
  -- Ben Hutchings <ben@decadent.org.uk>  Tue, 18 Jul 2017 00:04:07 +0100
 
diff --git a/debian/config/defines b/debian/config/defines
index 03e509c38..9711d00aa 100644
--- a/debian/config/defines
+++ b/debian/config/defines
@@ -1,5 +1,5 @@
 [abi]
-abiname: 2
+abiname: trunk
 ignore-changes:
  __cpuhp_*
  bpf_analyzer