diff --git a/.tmux.conf b/.tmux.conf
index 8f07d47..ee07a8a 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -284,6 +284,7 @@ run -b '[ -z "#{window_active}" ] && [ -z "#{version}" ] && tmux set display-tim
 #   case "$_uname_s" in
 #     *Darwin*)
 #       while IFS= read -r line; do
+#         [ -z "$line" ] && continue
 #         discharging=$(printf '%s' "$line" | grep -qi "discharging" && echo "true" || echo "false")
 #         percentage=$(printf '%s' "$line" | grep -E -o '[0-9]+%')
 #         charge=$(awk -v charge="$charge" -v percentage="${percentage%%%}" 'BEGIN { print charge + percentage / 100 }')
@@ -294,6 +295,7 @@ run -b '[ -z "#{window_active}" ] && [ -z "#{version}" ] && tmux set display-tim
 #       ;;
 #     *Linux*)
 #       while IFS= read -r batpath; do
+#         [ -z "$batpath" ] && continue
 #         grep -i -q device "$batpath/scope" 2> /dev/null && continue
 #
 #         discharging=$(grep -qi "discharging" "$batpath/status" && echo "true" || echo "false")