Fix battery_bar not parsing arguments correctly (sf: #2998034, lp: #569195)

diff --git a/src/core.c b/src/core.c
index 253ad79..90ed09b 100644 (file)
--- a/src/core.c
+++ b/src/core.c
@@ -277,12 +277,13 @@ struct text_object *construct_text_object(const char *s, const char *arg, long
                obj->data.s = strndup(bat, text_buffer_size);
        END OBJ(battery_bar, 0)
                char bat[64];
-               if (arg) {
+
+               arg = scan_bar(obj, arg);
+               if (arg && strlen(arg)>0) {
                        sscanf(arg, "%63s", bat);
                } else {
                        strcpy(bat, "BAT0");
                }
-               scan_bar(obj, bat);
                obj->data.s = strndup(bat, text_buffer_size);
 #endif /* !__OpenBSD__ */