diff --git a/src/libstd/run.rs b/src/libstd/run.rs
index 7a96bf35218b..060de3f4d5d5 100644
--- a/src/libstd/run.rs
+++ b/src/libstd/run.rs
@@ -1160,6 +1160,7 @@ mod tests {
 
     #[test]
     fn test_inherit_env() {
+        if running_on_valgrind() { return; }
 
         let mut prog = run_env(None);
         let output = str::from_bytes(prog.finish_with_output().output);