diff --git a/common/src/main/kotlin/fr/username404/snowygui/gui/elements/ClickBox.kt b/common/src/main/kotlin/fr/username404/snowygui/gui/elements/ClickBox.kt
index 9650343..0fefb27 100644
--- a/common/src/main/kotlin/fr/username404/snowygui/gui/elements/ClickBox.kt
+++ b/common/src/main/kotlin/fr/username404/snowygui/gui/elements/ClickBox.kt
@@ -16,7 +16,7 @@ import org.lwjgl.opengl.GL20
 class ClickBox(
     x: Double, y: Double,
     private val name: TranslatableComponent? = null,
-    val buttons: MutableCollection<ClickButton> = mutableListOf()
+    val buttons: MutableCollection<ClickButton> = mutableSetOf()
 ): ColoredElement(x, y, 80, 10, 0x6C9E9D, 0.5F) {
     @JvmField
     val scrollBar: ColoredElement = object: ColoredElement(