diff --git a/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/GearyEntitySerializerTest.kt b/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/GearyEntitySerializerTest.kt
index ed875686..82cd0247 100644
--- a/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/GearyEntitySerializerTest.kt
+++ b/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/GearyEntitySerializerTest.kt
@@ -47,7 +47,7 @@ class GearyEntitySerializerTest {
         // act
         val entity =
             format.decodeFromString(GearyEntitySerializer, file, overrideSerializersModule = SerializersModule {
-                provideConfig(PolymorphicListAsMapSerializer.Config(namespaces = listOf("test")))
+                provideConfig(PolymorphicListAsMapSerializer.Config<Any>(namespaces = listOf("test")))
             })
 
         // assert
diff --git a/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/SerializerTest.kt b/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/SerializerTest.kt
index 1f33cd5e..77b777dc 100644
--- a/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/SerializerTest.kt
+++ b/addons/geary-prefabs/src/jvmTest/kotlin/com/mineinabyss/geary/prefabs/SerializerTest.kt
@@ -40,7 +40,7 @@ class SerializerTest {
                 subclass(B::class)
                 subclass(SubSerializers::class)
             }
-            provideConfig(PolymorphicListAsMapSerializer.Config(namespaces = listOf("test")))
+            provideConfig(PolymorphicListAsMapSerializer.Config<Any>(namespaces = listOf("test")))
         })
 
     val mapSerializer = PolymorphicListAsMapSerializer(PolymorphicSerializer(Components::class))