diff --git a/tests/unistd_test.cpp b/tests/unistd_test.cpp
index fae28a6..0729013 100644
--- a/tests/unistd_test.cpp
+++ b/tests/unistd_test.cpp
@@ -397,7 +397,7 @@
   close(fd);
 
   // The fd can even be a directory.
-  ASSERT_NE(-1, fd = open("/data", O_RDONLY));
+  ASSERT_NE(-1, fd = open("/data/local/tmp", O_RDONLY));
   EXPECT_EQ(0, fn(fd));
   close(fd);