diff --git a/sway/.config/sway/config b/sway/.config/sway/config
index 7e75c39..0aad99f 100644
--- a/sway/.config/sway/config
+++ b/sway/.config/sway/config
@@ -250,6 +250,8 @@ for_window [app_id="imv"] floating enable
 for_window [app_id="popup"] floating enable, resize set 1280 720
 # Resize zathura to 70% in tiling mode
 for_window [app_id="org.pwmt.zathura" workspace=$workspace4] resize set width 70 ppt
+# Resize R plots to 40% in tiling mode
+for_window [class="R_x11"] resize set width 40 ppt
 # Split windows vertically
 exec swaymsg split vertical