diff --git a/library/std/tests/process_spawning.rs b/library/std/tests/process_spawning.rs
index 52e5b55fb9d44..46dc9ff00bd0d 100644
--- a/library/std/tests/process_spawning.rs
+++ b/library/std/tests/process_spawning.rs
@@ -1,3 +1,5 @@
+#![cfg(not(target_env="sgx"))]
+
 use std::env;
 use std::fs;
 use std::process;