diff --git a/src/main/java/io/ipfs/multihash/Multihash.java b/src/main/java/io/ipfs/multihash/Multihash.java
index 2fb6776..953d5d3 100644
--- a/src/main/java/io/ipfs/multihash/Multihash.java
+++ b/src/main/java/io/ipfs/multihash/Multihash.java
@@ -20,8 +20,8 @@ public enum Type {
         sha3_224(0x17, 24),
         sha3_256(0x16, 32),
         sha3_512(0x14, 64),
-        shake_128(0x18, 32),
-        shake_256(0x19, 64),
+        shake_128(0x18, 16),
+        shake_256(0x19, 32),
         keccak_224(0x1a, 24),
         keccak_256(0x1b, 32),
         keccak_384(0x1c, 48),