1 files changed, 3 insertions, 1 deletions

diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index a4f435203fef..05f42a46d6ed 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -90,7 +90,9 @@ static void print_boot_time(__u64 nsecs, char *buf, unsigned int size)
         }
 
         wallclock_secs = (real_time_ts.tv_sec - boot_time_ts.tv_sec) +
-                nsecs / 1000000000;
+                (real_time_ts.tv_nsec - boot_time_ts.tv_nsec + nsecs) /
+                1000000000;
+
 
         if (!localtime_r(&wallclock_secs, &load_tm)) {
                 snprintf(buf, size, "%llu", nsecs / 1000000000);