diff --git a/debian/changelog b/debian/changelog
index a7ffaecec..5d29f900b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -77,6 +77,7 @@ linux (4.17.7-1) UNRELEASED; urgency=medium
 
   [ Salvatore Bonaccorso ]
   * Ignore ABI changes for acpi_nfit_desc_init and acpi_nfit_init
+  * Ignore ABI changes for loop_register_transfer
 
  -- Ben Hutchings <ben@decadent.org.uk>  Tue, 17 Jul 2018 17:53:41 +0100
 
diff --git a/debian/config/defines b/debian/config/defines
index efe261904..a3e20e16e 100644
--- a/debian/config/defines
+++ b/debian/config/defines
@@ -71,6 +71,8 @@ ignore-changes:
 # ignore acpi_nfit_init, acpi_nfit_desc_init
  acpi_nfit_desc_init
  acpi_nfit_init
+# ignore loop_register_transfer (used by cryptoloop, nothing OOT)
+ loop_register_transfer
 
 [base]
 arches: