diff --git a/tests/by-util/test_cat.rs b/tests/by-util/test_cat.rs
index 67722daa2..4bb673b95 100644
--- a/tests/by-util/test_cat.rs
+++ b/tests/by-util/test_cat.rs
@@ -347,7 +347,13 @@ fn test_squeeze_blank_before_numbering() {
 #[cfg(unix)]
 fn test_dev_random() {
     let mut buf = [0; 2048];
-    let mut proc = new_ucmd!().args(&["/dev/random"]).run_no_wait();
+    #[cfg(target_os = "linux")]
+    const DEV_RANDOM: &str = "/dev/urandom";
+
+    #[cfg(not(target_os = "linux"))]
+    const DEV_RANDOM: &str = "/dev/random";
+
+    let mut proc = new_ucmd!().args(&[DEV_RANDOM]).run_no_wait();
     let mut proc_stdout = proc.stdout.take().unwrap();
     proc_stdout.read_exact(&mut buf).unwrap();