diff --git a/crypto/src/main/kotlin/org/openrs2/crypto/CryptoJacksonModule.kt b/crypto/src/main/kotlin/org/openrs2/crypto/CryptoJacksonModule.kt
index 35c866d5..1d0c4f0c 100644
--- a/crypto/src/main/kotlin/org/openrs2/crypto/CryptoJacksonModule.kt
+++ b/crypto/src/main/kotlin/org/openrs2/crypto/CryptoJacksonModule.kt
@@ -6,6 +6,7 @@ import javax.inject.Singleton
 @Singleton
 public class CryptoJacksonModule : SimpleModule() {
     init {
+        addDeserializer(XteaKey::class.java, XteaKeyDeserializer)
         addSerializer(XteaKey::class.java, XteaKeySerializer)
     }
 }
diff --git a/crypto/src/main/kotlin/org/openrs2/crypto/XteaKeyDeserializer.kt b/crypto/src/main/kotlin/org/openrs2/crypto/XteaKeyDeserializer.kt
new file mode 100644
index 00000000..4e396f8c
--- /dev/null
+++ b/crypto/src/main/kotlin/org/openrs2/crypto/XteaKeyDeserializer.kt
@@ -0,0 +1,11 @@
+package org.openrs2.crypto
+
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer
+
+public object XteaKeyDeserializer : StdDeserializer<XteaKey>(XteaKey::class.java) {
+    override fun deserialize(parser: JsonParser, ctx: DeserializationContext): XteaKey {
+        return XteaKey.fromIntArray(ctx.readValue(parser, IntArray::class.java))
+    }
+}