diff --git a/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt b/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
index cb74257..954c8fd 100644
--- a/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
+++ b/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
@@ -20,13 +20,13 @@ import java.io.File
 import kotlin.reflect.KProperty
 
 object Configuration {
-    private val ModifiableValues: MutableMap<String, () -> ConfigValue> = mapOf(
+    private val ModifiableValues = mutableMapOf<String, () -> ConfigValue>(
         "enabledFeatures" to { ConfigValueFactory.fromMap(enabledFeatures) },
         "macros" to { ConfigValueFactory.fromIterable((ClickGui.components.find { it is ClickBox && it.isCategory(Category.MACROS) } as ClickBox).buttons.map {
             Json.encodeToString(it as Macro)
         }) },
         "box_colors" to { ConfigValueFactory.fromAnyRef(mapOf<String, Int>(*ClickGui.clickboxes.filter { it.name != null }.map { it.name!!.key to it.color }.toTypedArray())) },
-    ).toMutableMap()
+    )
     private fun Config.withFullModifiableValues() = ModifiableValues.entries.fold(this) { previous, entry ->
         previous.withValue(entry.key, entry.value())
     }