diff --git a/layouts/window-wide-left b/layouts/window-wide-left
index 1e9a120..d8fa6ae 100755
--- a/layouts/window-wide-left
+++ b/layouts/window-wide-left
@@ -2,7 +2,7 @@
 
 cols=`tmux display -p "#{pane_width}"`
 
-if [[ $cols -gt 300 ]]; then
+if [ "$LAYOUT_FULLSCREEN" = "1" ]; then
   tmux split-window -h -l 37% -c '#{pane_current_path}'
   tmux select-pane -t 1
 else
diff --git a/layouts/window-wide-right b/layouts/window-wide-right
index 9d7409f..4e88ca9 100755
--- a/layouts/window-wide-right
+++ b/layouts/window-wide-right
@@ -2,7 +2,7 @@
 
 cols=`tmux display -p "#{pane_width}"`
 
-if [[ $cols -gt 300 ]]; then
+if [ "$TMUX_LAYOUT_FULLSCREEN" = "1" ]; then
   tmux split-window -h -l 63% -c '#{pane_current_path}'
   tmux select-pane -t 1
 else