diff --git a/ripemd320/src/block.rs b/ripemd320/src/block.rs
index fc79ca81..4834ead9 100644
--- a/ripemd320/src/block.rs
+++ b/ripemd320/src/block.rs
@@ -14,7 +14,7 @@ pub const H0: [u32; DIGEST_BUF_LEN] = [
     0xc3d2_e1f0,
     0x7654_3210,
     0xfedc_ba98,
-    0x89a_bcdef,
+    0x89ab_cdef,
     0x0123_4567,
     0x3c2d_1e0f,
 ];