diff --git a/zsh/prompt.zsh b/zsh/prompt.zsh
index 0acc5d6..4a22f2d 100644
--- a/zsh/prompt.zsh
+++ b/zsh/prompt.zsh
@@ -2,10 +2,6 @@
 # only show RPROMPT on the current prompt
 setopt transient_rprompt # only show the rprompt on the current prompt
 
-# set RPROMPT_INDENT to zero in order to remove the useless space on the bottom
-# right of the prompt.
-ZLE_RPROMPT_INDENT=0
-
 # ===== set the prompt
 zshrc_prompt_precmd() {
 
@@ -78,7 +74,8 @@ zshrc_prompt_precmd() {
 
 	# suffix characters in first and second line
 	local top_suffix="%F{cyan}${top_right_corner}%f"
-	local bottom_suffix="%F{cyan}${bottom_right_corner}%f"
+	# use %{ .. %} for bottom_right_corner to remove useless space after RPROMPT
+	local bottom_suffix="%F{cyan}%{${bottom_right_corner}%}%f"
 
 	# combine them to create the prompt
 	local top_left=""