diff --git a/src/vs/base/browser/ui/splitview/splitview.ts b/src/vs/base/browser/ui/splitview/splitview.ts
index d89028622d3..93b50dbcb4b 100644
--- a/src/vs/base/browser/ui/splitview/splitview.ts
+++ b/src/vs/base/browser/ui/splitview/splitview.ts
@@ -911,7 +911,7 @@ export class SplitView extends Disposable {
 			position += this.viewItems[i].size;
 
 			if (this.sashItems[i].sash === sash) {
-				return position;
+				return Math.min(position, this.contentSize - 2);
 			}
 		}