diff --git a/ktor/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/ktor/HexConversations.kt b/ktor/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/ktor/HexConversations.kt
index 94e7603d..eb7cb1d3 100644
--- a/ktor/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/ktor/HexConversations.kt
+++ b/ktor/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/ktor/HexConversations.kt
@@ -1,6 +1,6 @@
 package com.insanusmokrassar.postssystem.ktor
 
-import kotlinx.serialization.SerializationStrategy
-import kotlinx.serialization.encodeToHexString
+import kotlinx.serialization.*
 
 fun <T> T.toHex(with: SerializationStrategy<T>) = standardKtorSerialFormat.encodeToHexString(with, this)
+fun <T> String.fromHex(with: DeserializationStrategy<T>): T = standardKtorSerialFormat.decodeFromHexString(with, this)
diff --git a/ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/ServerRoutingShortcuts.kt b/ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/ServerRoutingShortcuts.kt
index 3ce44c91..5cd6db27 100644
--- a/ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/ServerRoutingShortcuts.kt
+++ b/ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/ServerRoutingShortcuts.kt
@@ -1,5 +1,6 @@
 package com.insanusmokrassar.postssystem.ktor.server
 
+import com.insanusmokrassar.postssystem.ktor.fromHex
 import com.insanusmokrassar.postssystem.ktor.standardKtorSerialFormat
 import io.ktor.application.ApplicationCall
 import io.ktor.http.HttpStatusCode
@@ -28,12 +29,7 @@ suspend fun <T> ApplicationCall.uniload(
 fun <T> ApplicationCall.uniloadFromQuery(
     parameterName: String,
     deserializer: DeserializationStrategy<T>
-): T? {
-    return standardKtorSerialFormat.decodeFromHexString(
-        deserializer,
-        getQueryParameter(parameterName) ?: return null
-    )
-}
+): T? = getQueryParameter(parameterName) ?.fromHex(deserializer)
 
 suspend fun <T> ApplicationCall.uniloadFromQueryOrSendError(
     parameterName: String,