diff --git a/tests/sys_stat_test.cpp b/tests/sys_stat_test.cpp
index a23100a..176d462 100644
--- a/tests/sys_stat_test.cpp
+++ b/tests/sys_stat_test.cpp
@@ -20,6 +20,8 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
+#include "TemporaryFile.h"
+
 TEST(sys_stat, futimens) {
   FILE* fp = tmpfile();
   ASSERT_TRUE(fp != NULL);
@@ -51,3 +53,18 @@
   ASSERT_EQ(-1, futimens(-1, times));
   ASSERT_EQ(EBADF, errno);
 }
+
+TEST(sys_stat, mkfifo) {
+  // Racy but probably sufficient way to get a suitable filename.
+  std::string path;
+  {
+    TemporaryFile tf;
+    path = tf.filename;
+  }
+
+  ASSERT_EQ(0, mkfifo(path.c_str(), 0666));
+  struct stat sb;
+  ASSERT_EQ(0, stat(path.c_str(), &sb));
+  ASSERT_TRUE(S_ISFIFO(sb.st_mode));
+  unlink(path.c_str());
+}