1 files changed, 5 insertions, 2 deletions

diff --git a/coreutils/df.c b/coreutils/df.c
index c87c07ee4..01c41db38 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -169,6 +169,9 @@ int df_main(int argc UNUSED_PARAM, char **argv)
                         , &opt_t
                         IF_FEATURE_DF_FANCY(, &chp)
         );
+        /* -k overrides $POSIXLY_CORRECT: */
+        if (opt & OPT_KILO)
+                df_disp_hr = 1024;
         if (opt & OPT_MEGA)
                 df_disp_hr = 1024*1024;
 
@@ -199,8 +202,8 @@ int df_main(int argc UNUSED_PARAM, char **argv)
         if (disp_units_hdr == NULL) {
 #if ENABLE_FEATURE_HUMAN_READABLE
                 disp_units_hdr = xasprintf("%s-blocks",
-                        /* print df_disp_hr, show no fractionals,
-                         * use suffixes if OPT_POSIX is set in opt */
+                        /* print df_disp_hr; show no fractionals;
+                         * if -P, unit=1 (print it in full, no KMG suffixes) */
                         make_human_readable_str(df_disp_hr, 0, !!(opt & OPT_POSIX))
                 );
 #else