diff --git a/tls/src/crypto/aes/ghash.rs b/tls/src/crypto/aes/ghash.rs
index 6c90b726..76a429c9 100644
--- a/tls/src/crypto/aes/ghash.rs
+++ b/tls/src/crypto/aes/ghash.rs
@@ -235,7 +235,7 @@ fn rev32(mut x: u32) -> u32 {
     x = ((x & 0x3333_3333) << 2) | (x >> 2 & 0x3333_3333);
     x = ((x & 0x0f0f_0f0f) << 4) | (x >> 4 & 0x0f0f_0f0f);
     x = ((x & 0x00ff_00ff) << 8) | (x >> 8 & 0x00ff_00ff);
-    (x << 16) | (x >> 16)
+    x.rotate_right(16)
 }
 
 #[cfg(test)]