diff --git a/dist/iwmlib.pixi.js b/dist/iwmlib.pixi.js
index c3997c7..7d9c091 100644
--- a/dist/iwmlib.pixi.js
+++ b/dist/iwmlib.pixi.js
@@ -3443,8 +3443,8 @@
                     if (this.__initHeight > this.opts.maxHeight) {
                         // stack!
                         const distanceToTop = this.container.y;
-                        const distanceToBottom = this.opts.maxHeight - this.container.y - this.container.height;
-
+                        const distanceToBottom = this.opts.maxHeight - this.container.y - this.__initHeight;
+                        
                         if (distanceToTop > 0) {
                             throwProps.y.end = 0;
                         } else if (distanceToBottom > 0) {
diff --git a/lib/pixi/buttongroup.js b/lib/pixi/buttongroup.js
index 76ec22d..2eef1a8 100644
--- a/lib/pixi/buttongroup.js
+++ b/lib/pixi/buttongroup.js
@@ -505,8 +505,8 @@ export default class ButtonGroup extends PIXI.Container {
                 if (this.__initHeight > this.opts.maxHeight) {
                     // stack!
                     const distanceToTop = this.container.y
-                    const distanceToBottom = this.opts.maxHeight - this.container.y - this.container.height
-
+                    const distanceToBottom = this.opts.maxHeight - this.container.y - this.__initHeight
+                    
                     if (distanceToTop > 0) {
                         throwProps.y.end = 0
                     } else if (distanceToBottom > 0) {