diff --git a/layouts/window-tall b/layouts/window-tall
index fd310e7..ab84a42 100644
--- a/layouts/window-tall
+++ b/layouts/window-tall
@@ -1,3 +1,3 @@
 # vim: ft=tmux
-split-window -v -p 34
+split-window -v -l 34%
 select-pane -t 1
diff --git a/layouts/window-wide-left b/layouts/window-wide-left
index d96e4c7..b5589ec 100644
--- a/layouts/window-wide-left
+++ b/layouts/window-wide-left
@@ -1,3 +1,3 @@
 # vim: ft=tmux
-split-window -h -p 43
+split-window -h -l 43%
 select-pane -t 1
diff --git a/layouts/window-wide-right b/layouts/window-wide-right
index a1d3dad..e6ccbf5 100644
--- a/layouts/window-wide-right
+++ b/layouts/window-wide-right
@@ -1,3 +1,3 @@
 # vim: ft=tmux
-split-window -h -p 57
+split-window -h -l 57%
 select-pane -t 1