diff --git a/common/src/main/kotlin/fr/username404/snowygui/config/AddKeyMaps.kt b/common/src/main/kotlin/fr/username404/snowygui/config/AddKeyMaps.kt
index d0ad691..866a494 100644
--- a/common/src/main/kotlin/fr/username404/snowygui/config/AddKeyMaps.kt
+++ b/common/src/main/kotlin/fr/username404/snowygui/config/AddKeyMaps.kt
@@ -14,7 +14,7 @@ object AddKeyMaps {
             key, "category.$prefix.$category"
         ) to lambda
     }
-    val list: Map<KeyMapping, (() -> Unit)?> = mutableMapOf(
+    val list: MutableMap<KeyMapping, (() -> Unit)?> = mutableMapOf(
         mkMap("opengui", GLFW_KEY_Y),
         mkMap("configkey", GLFW_KEY_U)
     )