diff --git a/oni/home/data/config.scm b/oni/home/data/config.scm
index 0255380..3992815 100644
--- a/oni/home/data/config.scm
+++ b/oni/home/data/config.scm
@@ -296,7 +296,7 @@
              (padding '(0 0 0 16 16))
              (layouts
               '((web clients max:0)
-                (dev split horizontal:0.580:1 (clients max:0) (clients vertical:0))))
+                (dev split horizontal:0.54:1 (clients max:0) (clients vertical:0))))
              (extra
               (list
                "set_monitors 1920x1080+0+0"