diff --git a/src/api/route/InputServiceServer.kt b/src/api/route/InputServiceServer.kt
index 0c86f20..62455f8 100644
--- a/src/api/route/InputServiceServer.kt
+++ b/src/api/route/InputServiceServer.kt
@@ -117,7 +117,7 @@ class InputServiceServer {
 
         get("/sample/{tagID}") {
             val tagID = call.parameters["tagID"] ?: error(HttpStatusCode.NotAcceptable)
-            val resultObject = resultObjectService.getInputObjectbyTag(tagID) ?: call.respond(HttpStatusCode.NotFound)
+            val resultObject = resultObjectService.getInputObjectbyTag(UUID.fromString(tagID)) ?: call.respond(HttpStatusCode.NotFound)
 
             call.respond(resultObject)
         }
diff --git a/src/database/service/IInputObjectService.kt b/src/database/service/IInputObjectService.kt
index 40179e7..e36ea78 100644
--- a/src/database/service/IInputObjectService.kt
+++ b/src/database/service/IInputObjectService.kt
@@ -2,9 +2,10 @@ package com.kmalbz.database.service
 
 import com.kmalbz.api.model.ApiObject
 import java.time.LocalDate
+import java.util.*
 
 interface IInputObjectService{
     fun addOne(apiObject: ApiObject)
     suspend fun getAllInputObjects(): List<ApiObject>
-    suspend fun getInputObjectbyTag(tag: String): ApiObject?
+    suspend fun getInputObjectbyTag(tag: UUID): ApiObject?
 }
\ No newline at end of file
diff --git a/src/database/service/InputObjectService.kt b/src/database/service/InputObjectService.kt
index e54d76d..01ea3ef 100644
--- a/src/database/service/InputObjectService.kt
+++ b/src/database/service/InputObjectService.kt
@@ -9,6 +9,7 @@ import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.selectAll
 import org.jetbrains.exposed.sql.transactions.transaction
 import java.time.LocalDate
+import java.util.*
 
 
 class InputObjectService : IInputObjectService {
@@ -26,7 +27,7 @@ class InputObjectService : IInputObjectService {
         InputObjects.selectAll().map { toInputObject(it) }
     }
 
-    override suspend fun getInputObjectbyTag(tag: String): ApiObject? = dbQuery {
+    override suspend fun getInputObjectbyTag(tag: UUID): ApiObject? = dbQuery {
         InputObjects.select {
             (InputObjects.tag eq tag)
         }.mapNotNull { toInputObject(it) }