diff --git a/tests/exec.rs b/tests/exec.rs
index cba4c8e..2b47b77 100644
--- a/tests/exec.rs
+++ b/tests/exec.rs
@@ -1,4 +1,5 @@
 use std::fs;
+use std::path::PathBuf;
 use std::process::Command;
 
 use birdcage::{Birdcage, Exception, Sandbox};
@@ -7,8 +8,12 @@ fn main() {
     let mut birdcage = Birdcage::new().unwrap();
     birdcage.add_exception(Exception::ExecuteAndRead("/usr/bin/true".into())).unwrap();
     birdcage.add_exception(Exception::ExecuteAndRead("/usr/lib".into())).unwrap();
-    birdcage.add_exception(Exception::ExecuteAndRead("/lib64".into())).unwrap();
-    birdcage.add_exception(Exception::ExecuteAndRead("/lib".into())).unwrap();
+    if PathBuf::from("/lib64").exists() {
+        birdcage.add_exception(Exception::ExecuteAndRead("/lib64".into())).unwrap();
+    }
+    if PathBuf::from("/lib64").exists() {
+        birdcage.add_exception(Exception::ExecuteAndRead("/lib".into())).unwrap();
+    }
     birdcage.lock().unwrap();
 
     // Check for success when executing `true`.