diff --git a/fish/functions/theme.fish b/fish/functions/theme.fish
index e41c5b4..879c6e5 100644
--- a/fish/functions/theme.fish
+++ b/fish/functions/theme.fish
@@ -1,8 +1,14 @@
 function theme
     if test (count $argv) -eq 1
         if test "$argv[1]" = "dark"
+            if command -q osascript
+                command osascript -e 'tell application "System Events" to set dark mode of appearance preferences to true'
+            end
             fish_config theme choose "Catppuccin Frappe"
         else if test "$argv[1]" = "light"
+            if command -q osascript
+                command osascript -e 'tell application "System Events" to set dark mode of appearance preferences to false'
+            end
             fish_config theme choose "Catppuccin Latte"
         else
             echo "Error: Invalid theme. Use 'dark' or 'light'." >&2