diff --git a/debian/changelog b/debian/changelog
index 27f62e98c..36bf73d5a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+linux (4.12.6-2) UNRELEASED; urgency=medium
+
+  * [alpha] udeb: Add i2c-modules (fixes FTBFS)
+
+ -- Ben Hutchings <ben@decadent.org.uk>  Mon, 14 Aug 2017 19:47:30 +0100
+
 linux (4.12.6-1) unstable; urgency=medium
 
   * New upstream stable update:
diff --git a/debian/installer/alpha/modules/alpha-generic/i2c-modules b/debian/installer/alpha/modules/alpha-generic/i2c-modules
new file mode 100644
index 000000000..203a607e7
--- /dev/null
+++ b/debian/installer/alpha/modules/alpha-generic/i2c-modules
@@ -0,0 +1 @@
+#include <i2c-modules>