1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/df.c b/coreutils/df.c
index fd2502309..1c7d6cb38 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -93,7 +93,7 @@ int df_main(int argc, char **argv)
                 disp_units_hdr = xasprintf("%s-blocks",
                         make_human_readable_str(df_disp_hr, 0, !!(opt & OPT_POSIX)));
 #else
-                disp_units_hdr = xasprintf("%d-blocks", df_disp_hr);
+                disp_units_hdr = xasprintf("%lu-blocks", df_disp_hr);
 #endif
         }
         printf("Filesystem           %-15sUsed Available %s Mounted on\n",