diff --git a/asynctest.nimble b/asynctest.nimble
index a6bb8ba..e211681 100644
--- a/asynctest.nimble
+++ b/asynctest.nimble
@@ -3,6 +3,8 @@ author = "asynctest Authors"
 description = "Test asynchronous code"
 license = "MIT"
 
+skipDirs = @["testmodules"]
+
 task test, "Runs the test suite":
   for module in ["stdlib", "chronos", "unittest2"]:
     withDir "testmodules/" & module: