diff --git a/src/use-virtual-children.js b/src/use-virtual-children.js
index 33dc0b7..0f195e4 100644
--- a/src/use-virtual-children.js
+++ b/src/use-virtual-children.js
@@ -33,11 +33,12 @@ export default function useChildren({
       bottomPlaceholderH += itemH;
     } else {
       children.push(getRow(item, visibleItemNumber, i, data));
-      // if the middle property is true, the item(line) is shown
-      // and the related counter has to be increased by one
-      if (item.middle) visibleItemNumber++;
     }
 
+    // if the middle property is true, the item(line) is shown
+    // and the related counter has to be increased by one
+    if (item.middle) visibleItemNumber++;
+
     h = nextH;
   });