diff --git a/komorebi-core/src/arrangement.rs b/komorebi-core/src/arrangement.rs
index b8e4fe97..12727aaa 100644
--- a/komorebi-core/src/arrangement.rs
+++ b/komorebi-core/src/arrangement.rs
@@ -231,7 +231,7 @@ impl Arrangement for CustomLayout {
         let mut dimensions = vec![];
         let container_count = len.get();
 
-        if container_count <= self.len() {
+        if container_count < self.len() {
             let mut layouts = columns(area, container_count);
             dimensions.append(&mut layouts);
         } else {