diff --git a/bashrc b/bashrc
index 196e90f..05efd4e 100644
--- a/bashrc
+++ b/bashrc
@@ -26,10 +26,10 @@ is_exec() { [[ -x $(type -P ${1}) ]]; }
 # {{{ prompt
 color_number=0
 for color in 'black' 'red' 'green' 'yellow' 'blue' 'magenta' 'cyan' 'white'; do
-    eval "pn${color}='\[\e[0;3${color_number}m\]'"
-    eval "pb${color}='\[\e[1;3${color_number}m\]'"
-    eval "n${color}='\e[0;3${color_number}m'"
-    eval "b${color}='\e[1;3${color_number}m'"
+    eval "pn${color}='\[\e[38;5;$((color_number))m\]'"
+    eval "pb${color}='\[\e[38;5;$((color_number+8))m\]'"
+    eval "n${color}='\e[38;5;$((color_number))m'"
+    eval "b${color}='\e[38;5;$((color_number+8))m'"
     (( color_number++ ))
 done
 unset color_number
diff --git a/gvimrc b/gvimrc
index a522110..60194bf 100644
--- a/gvimrc
+++ b/gvimrc
@@ -9,3 +9,5 @@ set guicursor+=a:blinkon0               "and none of them should blink
 set guiheadroom=0
 map <S-Insert> <MiddleMouse>
 map! <S-Insert> <MiddleMouse>
+
+colorscheme iceberg