diff --git a/src/makefile.dj b/src/makefile.dj
index d3167a5c1058225ce44c4f42f917a342a0ca607d..a4d5715f4ad961d978a62c6ae4e97e30aeee168b 100644
--- a/src/makefile.dj
+++ b/src/makefile.dj
@@ -7,6 +7,8 @@
 
 DEPEND_PREREQ = config.h hugehelp.c
 
+top_srcdir = ..
+
 include ../packages/DOS/common.dj
 include Makefile.inc