diff --git a/core/ui.vim b/core/ui.vim
index a62c25b..8a89a0c 100644
--- a/core/ui.vim
+++ b/core/ui.vim
@@ -2,11 +2,8 @@
 "{{ General settings about colors
 " Enable true colors support. Do not set this option if your terminal does not
 " support true colors! For a comprehensive list of terminals supporting true
-" colors, see https://github.com/termstandard/colors and
-" https://gist.github.com/XVilka/8346728.
-if match($TERM, '^xterm.*') != -1 || exists('g:started_by_firenvim')
-  set termguicolors
-endif
+" colors, see https://github.com/termstandard/colors and https://gist.github.com/XVilka/8346728.
+set termguicolors
 "}}
 
 "{{ Colorscheme settings