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-rw-r--r--lisp/battery.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/battery.el b/lisp/battery.el
index 50edc8dde8a..ec35e04e1ab 100644
--- a/lisp/battery.el
+++ b/lisp/battery.el
@@ -408,6 +408,7 @@ The following %-sequences are provided:
(format "%d:%02d" hours (- minutes (* 60 hours))))
"N/A"))
(cons ?p (or (and full-capacity capacity
+ (> full-capacity 0)
(number-to-string
(floor (/ capacity
(/ (float full-capacity) 100)))))