diff --git a/src/revealers.js b/src/revealers.js
index bbdc7860..458219ba 100644
--- a/src/revealers.js
+++ b/src/revealers.js
@@ -228,6 +228,19 @@ class ClapperRevealerBottom extends CustomRevealer
         this.revealerBox.remove(widget);
     }
 
+    setLayoutMargins(layoutWidth)
+    {
+        const maxWidth = 1720;
+
+        if(layoutWidth <= maxWidth)
+            return;
+
+        const margin = (layoutWidth - maxWidth) / 2;
+
+        this.margin_start = margin;
+        this.margin_end = margin;
+    }
+
     _onMotion(controller, x, y)
     {
         const clapperWidget = this.root.child;
diff --git a/src/widget.js b/src/widget.js
index 2571857f..b1d53dfe 100644
--- a/src/widget.js
+++ b/src/widget.js
@@ -563,6 +563,10 @@ class ClapperWidget extends Gtk.Grid
             return;
 
         this.layoutWidth = width;
+
+        if(this.isFullscreenMode)
+            this.revealerBottom.setLayoutMargins(width);
+
         this.controls._onPlayerResize(width, height);
     }