diff --git a/zsh/prompt.zsh b/zsh/prompt.zsh
index 67a0479..7c1fe78 100644
--- a/zsh/prompt.zsh
+++ b/zsh/prompt.zsh
@@ -59,17 +59,17 @@ zshrc_prompt_precmd() {
 	local battery_pct=
 	if type acpi &> /dev/null ; then
 		battery_pct="$(acpi -b | cut -d, -f2 | sed -e 's/[^0-9]//g')"
-	fi
 
-	# colorize battery percentage or display status
-	if [[ $(acpi -a | cut -d':' -f2) == " on-line" ]]; then
-		battery_pct="charging"
-	elif [[ $battery_pct -le 20 ]]; then
-		battery_pct="%F{red}${battery_pct}%%%f"
-	elif [[ $battery_pct -le 65 ]]; then
-		battery_pct="%F{yellow}${battery_pct}%%%f"
-	else
-		battery_pct="%F{green}${battery_pct}%%%f"
+		# colorize battery percentage or display status
+		if [[ $(acpi -a | cut -d':' -f2) == " on-line" ]]; then
+			battery_pct="charging"
+		elif [[ $battery_pct -le 20 ]]; then
+			battery_pct="%F{red}${battery_pct}%%%f"
+		elif [[ $battery_pct -le 65 ]]; then
+			battery_pct="%F{yellow}${battery_pct}%%%f"
+		else
+			battery_pct="%F{green}${battery_pct}%%%f"
+		fi
 	fi
 
 	# prefix characters in first and second line