1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/cal.c b/coreutils/cal.c
index 0d388aa1c..12c46b14f 100644
--- a/coreutils/cal.c
+++ b/coreutils/cal.c
@@ -165,7 +165,7 @@ int cal_main(int argc UNUSED_PARAM, char **argv)
                 char lineout[30];
 
                 day_array(month, year, dp);
-                len = sprintf(lineout, "%s %d", month_names[month - 1], year);
+                len = sprintf(lineout, "%s %u", month_names[month - 1], year);
                 printf("%*s%s\n%s\n",
                                 ((7*julian + WEEK_LEN) - len) / 2, "",
                                 lineout, day_headings);