diff --git a/core/main.mk b/core/main.mk
index 24055e8..30ff0cc 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -83,6 +83,8 @@
 -include test/cts-root/tools/build/config.mk
 # WVTS-specific config.
 -include test/wvts/tools/build/config.mk
+# DTS-specific config.
+-include test/dts/tools/build/config.mk
 
 
 # Clean rules