diff --git a/repos/ktor/common/src/jvmTest/kotlin/KtorCRUDRepoTests.kt b/repos/ktor/common/src/jvmTest/kotlin/KtorCRUDRepoTests.kt
index 0ed2b98eba3..0426e0e6aca 100644
--- a/repos/ktor/common/src/jvmTest/kotlin/KtorCRUDRepoTests.kt
+++ b/repos/ktor/common/src/jvmTest/kotlin/KtorCRUDRepoTests.kt
@@ -25,7 +25,7 @@ import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class KtorCRUDRepoTests : CommonCRUDRepoTests() {
-    private var engine: ApplicationEngine? = null
+    private var engine: EmbeddedServer<*, *>? = null
 
     @BeforeTest
     fun beforeTest() {
diff --git a/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValueRepoTests.kt b/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValueRepoTests.kt
index 80942cba6a8..633258f2809 100644
--- a/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValueRepoTests.kt
+++ b/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValueRepoTests.kt
@@ -27,7 +27,7 @@ import kotlinx.serialization.json.Json
 import kotlin.test.*
 
 class KtorKeyValueRepoTests : CommonKeyValueRepoTests() {
-    private var engine: ApplicationEngine? = null
+    private var engine: EmbeddedServer<*, *>? = null
 
     override val repoCreator: suspend () -> KeyValueRepo<String, String> = {
         KtorKeyValueRepoClient(
diff --git a/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValuesRepoTests.kt b/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValuesRepoTests.kt
index a5f7214fafa..2b932e84d63 100644
--- a/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValuesRepoTests.kt
+++ b/repos/ktor/common/src/jvmTest/kotlin/KtorKeyValuesRepoTests.kt
@@ -23,7 +23,7 @@ import kotlinx.serialization.json.Json
 import kotlin.test.*
 
 class KtorKeyValuesRepoTests : CommonKeyValuesRepoTests() {
-    private var engine: ApplicationEngine? = null
+    private var engine: EmbeddedServer<*, *>? = null
     override val testSequencesSize: Int
         get() = 100
 
diff --git a/repos/ktor/common/src/jvmTest/kotlin/KtorRepoTestsHelper.kt b/repos/ktor/common/src/jvmTest/kotlin/KtorRepoTestsHelper.kt
index d50cd7fca5d..ea814a58119 100644
--- a/repos/ktor/common/src/jvmTest/kotlin/KtorRepoTestsHelper.kt
+++ b/repos/ktor/common/src/jvmTest/kotlin/KtorRepoTestsHelper.kt
@@ -13,7 +13,7 @@ import io.ktor.server.websocket.*
 import kotlinx.serialization.json.Json
 
 object KtorRepoTestsHelper {
-    fun beforeTest(routingConfigurator: Routing.() -> Unit): ApplicationEngine {
+    fun beforeTest(routingConfigurator: Routing.() -> Unit): EmbeddedServer<CIOApplicationEngine, CIOApplicationEngine.Configuration> {
         return embeddedServer(
             CIO,
             23456,
@@ -28,7 +28,7 @@ object KtorRepoTestsHelper {
             routing(routingConfigurator)
         }.start(false)
     }
-    fun afterTest(engine: ApplicationEngine) {
+    fun afterTest(engine: EmbeddedServer<*, *>) {
         engine.stop()
     }
     fun client(): HttpClient = HttpClient {