diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 9a474c0..479c462 100644
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -80,3 +80,8 @@
   ASSERT_EQ(0, pthread_join(t2, &join_result));
   ASSERT_EQ(EINVAL, reinterpret_cast<int>(join_result));
 }
+
+TEST(pthread, pthread_join_self) {
+  void* result;
+  ASSERT_EQ(EDEADLK, pthread_join(pthread_self(), &result));
+}