diff --git a/apps/client/src/stylesheets/theme-next/shell.css b/apps/client/src/stylesheets/theme-next/shell.css
index 18ab49590..fae4001f0 100644
--- a/apps/client/src/stylesheets/theme-next/shell.css
+++ b/apps/client/src/stylesheets/theme-next/shell.css
@@ -1272,7 +1272,7 @@ body.layout-horizontal #rest-pane > .classic-toolbar-widget {
 #center-pane .note-split {
     padding-top: 2px;
     background-color: var(--note-split-background-color, var(--main-background-color));
-    transition: border-color 250ms ease-in;
+    transition: border-color 150ms ease-out;
     border: 2px solid transparent;
 }