diff --git a/src/rstd/atomic/au64.rs b/src/rstd/atomic/au64.rs
index e98fdff..1cf435b 100644
--- a/src/rstd/atomic/au64.rs
+++ b/src/rstd/atomic/au64.rs
@@ -56,3 +56,13 @@ impl CInliningAtomic for u64 {
 impl ConstSizeAtomic for u64 {
     const SIZE: usize = 8;
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn can_parse_zero() {
+        assert_eq!(u64::parse_slice(&[0, 0, 0, 0, 0, 0, 0, 0]).unwrap(), 0);
+    }
+}