diff --git a/mk/tests.mk b/mk/tests.mk
index e2258ede6..e6bd1ad79 100644
--- a/mk/tests.mk
+++ b/mk/tests.mk
@@ -1,10 +1,13 @@
 # Run program $1 as part of ‘make installcheck’.
+
+test-deps =
+
 define run-install-test
 
   installcheck: $1.test
 
   .PHONY: $1.test
-  $1.test: $1 tests/common.sh tests/init.sh
+  $1.test: $1 $(test-deps)
 	@env TEST_NAME=$1 TESTS_ENVIRONMENT="$(tests-environment)" mk/run_test.sh $1
 
 endef
diff --git a/tests/local.mk b/tests/local.mk
index 536661af8..f3ac330d8 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -40,4 +40,4 @@ tests-environment = NIX_REMOTE= $(bash) -e
 
 clean-files += $(d)/common.sh
 
-installcheck: $(d)/common.sh $(d)/config.nix $(d)/plugins/libplugintest.$(SO_EXT)
+test-deps += tests/common.sh tests/config.nix tests/plugins/libplugintest.$(SO_EXT)