diff --git a/OpenTween/Tween.cs b/OpenTween/Tween.cs
index 024bccd0b..83ef5aec9 100644
--- a/OpenTween/Tween.cs
+++ b/OpenTween/Tween.cs
@@ -1964,10 +1964,10 @@ private void MyList_SelectedIndexChanged(object sender, EventArgs e)
             var indices = listView.SelectedIndices.Cast<int>().ToArray();
             this.CurrentTab.SelectPosts(indices);
 
-            if (listView.SelectedIndices.Count != 1)
+            if (indices.Length != 1)
                 return;
 
-            var index = listView.SelectedIndices[0];
+            var index = indices[0];
             if (index > listView.VirtualListSize - 1) return;
 
             this.PushSelectPostChain();