diff --git a/src/makefile.dj b/src/makefile.dj
index d3167a5c1..a4d5715f4 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