diff --git a/tests/Makefile b/tests/Makefile
index 9675ba7c13d5558fe2a2027cfa20d2a04ccff413..f3f4159c2501d0f56002fb2869ae0a375d63e2ff 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -147,3 +147,5 @@ check-qtest: $(patsubst %,check-qtest-%, $(QTEST_TARGETS))
 check-unit: $(patsubst %,check-%, $(check-unit-y))
 check-block: $(patsubst %,check-%, $(check-block-y))
 check: check-unit check-qtest
+
+-include $(wildcard tests/*.d)