diff --git a/src/rand.rs b/src/rand.rs
index 8a88dd3..7a9e3e7 100644
--- a/src/rand.rs
+++ b/src/rand.rs
@@ -105,6 +105,7 @@ mod tests {
     use super::*;
 
     #[test]
+    #[cfg(not(target_arch = "aarch64"))]
     fn test_timestamp_cycles() {
         for _ in 0..1000 {
             assert!(timestamp_cycles() < timestamp_cycles());