diff --git a/Makefile b/Makefile
index 98136208..89c1e175 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,10 @@ test-quick:
 ci-test:
 	$(PYTHON) -m tests --full --no-network
 
+.PHONY: check-dap-schema
+check-dap-schema:
+	$(PYTHON) -m debugger_protocol.schema check
+
 .PHONY: coverage
 coverage:  ## Check line coverage.
 	#$(PYTHON) -m coverage run --include 'ptvsd/*.py' --omit 'ptvsd/pydevd/*.py' -m tests
diff --git a/tests/__main__.py b/tests/__main__.py
index 60026b31..35cd5fdc 100644
--- a/tests/__main__.py
+++ b/tests/__main__.py
@@ -14,8 +14,8 @@ def convert_argv(argv):
     help  = False
     quick = False
     network = True
-    lint = False
     runtests = True
+    lint = False
     args = []
     modules = set()
     for arg in argv: