diff --git a/zsh/themes/deblan/deblan.zsh-theme b/zsh/themes/deblan/deblan.zsh-theme
index c4356f5..19f9311 100644
--- a/zsh/themes/deblan/deblan.zsh-theme
+++ b/zsh/themes/deblan/deblan.zsh-theme
@@ -30,7 +30,7 @@ function deblan_precmd() {
 	fi
 
 	prompt_content="$prompt_content %{$fg_bold[white]%}$current_directory"
-	prompt_width="${#${(%):-$PS1}}"
+	prompt_width="${#${(%):-$prompt_content}}"
 	term_width=$(tput cols)
 
 	if [[ "$prompt_width*1.3" -gt $term_width ]]; then