diff --git a/debian/changelog b/debian/changelog
index a8c8f74..4ac2b9b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,11 @@ ubuntu-dev-tools (0.187) UNRELEASED; urgency=medium
   * mk-sbuild:
     + Add support for zfs-snapshot schroots.  LP: #1945349
 
+  [ Mattia Rizzolo ]
+  * mk-sbuild:
+    + Apply patch from Peter Pentchev to avoid a broken log message.
+      Closes: #968316
+
  -- Mattia Rizzolo <mattia@debian.org>  Sun, 31 Oct 2021 16:24:56 +0100
 
 ubuntu-dev-tools (0.186) unstable; urgency=medium
diff --git a/mk-sbuild b/mk-sbuild
index 58d006b..26cbf20 100755
--- a/mk-sbuild
+++ b/mk-sbuild
@@ -1053,7 +1053,7 @@ echo ""
 echo " To CHANGE the golden image: sudo schroot -c source:${CHROOT_NAME} -u root"
 echo " To ENTER an image snapshot: schroot -c ${CHROOT_NAME}"
 echo " To BUILD within a snapshot: sbuild -A -d ${CHROOT_NAME} PACKAGE*.dsc"
-if [ "$CHROOT_ARCH" != "$TARGET_ARCH" ] ; then
+if [ -n "$TARGET_ARCH" ] && [ "$CHROOT_ARCH" != "$TARGET_ARCH" ] ; then
     echo " To BUILD for ${TARGET_ARCH}: sbuild -A -d ${CHROOT_NAME} --host ${TARGET_ARCH} PACKAGE*.dsc"
 fi
 echo ""