diff --git a/transgen3/Makefile b/transgen3/Makefile
index 7e56722e3c38ec563ccbda8e205f3a414c50756a..94c9e35d0f6b7b4b52b2bf82f324ecf451b07a3c 100644
--- a/transgen3/Makefile
+++ b/transgen3/Makefile
@@ -18,6 +18,9 @@ DEPEND_ABI.openprs=	openprs>=1.1b5
 include ../../wip/genom3/depend.mk
 include ../../supervision/openprs/depend.mk
 include ../../pkgtools/pkg-config/depend.mk
+include ../../mk/sysdep/bison.mk
+include ../../mk/sysdep/flex.mk
+include ../../mk/sysdep/perl.mk
 include ../../mk/language/java.mk
 include ../../mk/language/c.mk
 include ../../mk/robotpkg.mk