diff --git a/debian/changelog b/debian/changelog
index 9f6640823..0d0f4cf6b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -62,6 +62,7 @@ linux-2.6 (2.6.26~rc8-1~experimental.1) UNRELEASED; urgency=low
   * [ppc]: Enable RTC_DRV_PPC. (closes: #484693) Thanks for the patch to
     Geoff Levand <geoffrey.levand@am.sony.com>.
   * Enable BLK_DEV_BSG for SG v4 support.
+  * [amd64] Enable default disabled memtest boot param.
 
   [ Martin Michlmayr ]
   * [arm/orion5x] Update the config to reflect upstream renaming this
diff --git a/debian/config/amd64/config b/debian/config/amd64/config
index 4baa6ce8d..f0005e8bd 100644
--- a/debian/config/amd64/config
+++ b/debian/config/amd64/config
@@ -16,6 +16,8 @@ CONFIG_PARAVIRT_GUEST=y
 CONFIG_KVM_CLOCK=y
 CONFIG_KVM_GUEST=y
 CONFIG_PARAVIRT=y
+CONFIG_MEMTEST_BOOTPARAM=y
+CONFIG_MEMTEST_BOOTPARAM_VALUE=0
 CONFIG_HPET_TIMER=y
 CONFIG_CALGARY_IOMMU=y
 CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y