diff -Nru pytsk-20180225/debian/changelog pytsk-20180225/debian/changelog
--- pytsk-20180225/debian/changelog	2018-03-31 17:56:47.000000000 +0000
+++ pytsk-20180225/debian/changelog	2018-12-19 13:46:04.000000000 +0000
@@ -1,3 +1,10 @@
+pytsk (20180225-1+rpi1) buster-staging; urgency=medium
+
+  * Use Source:Package rather than Source in built-using generation to fix
+    FTBFS if sluethkit has been binnmud.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Wed, 19 Dec 2018 13:46:04 +0000
+
 pytsk (20180225-1) unstable; urgency=medium
 
   * Team upload
diff -Nru pytsk-20180225/debian/rules pytsk-20180225/debian/rules
--- pytsk-20180225/debian/rules	2017-09-16 14:33:16.000000000 +0000
+++ pytsk-20180225/debian/rules	2018-12-19 13:45:46.000000000 +0000
@@ -17,6 +17,6 @@
 override_dh_install:
 	dh_install --fail-missing -X/usr/share/doc/pytsk
 	dpkg-query --show \
-		--showformat 'misc:Built-Using=$${Source} (= $${source:Version})\n' \
+		--showformat 'misc:Built-Using=$${Source:Package} (= $${source:Version})\n' \
 		libtsk-dev \
 	| tee -a debian/python-tsk.substvars debian/python3-tsk.substvars > /dev/null