diff -Nru libticalcs-1.1.9+dfsg/debian/control libticalcs-1.1.9+dfsg/debian/control
--- libticalcs-1.1.9+dfsg/debian/control	2018-05-22 16:41:37.000000000 +0000
+++ libticalcs-1.1.9+dfsg/debian/control	2018-05-22 16:41:37.000000000 +0000
@@ -10,7 +10,7 @@
                libticonv-dev (>= 1.1.5),
                libtifiles-dev (>= 1.1.7),
                pkg-config,
-               tfdocgen
+               tfdocgen:native
 Standards-Version: 4.1.4
 Section: libs
 Homepage: http://lpg.ticalc.org/prj_tilp/