diff --git a/testssl.sh b/testssl.sh
index 81f9677..d54171c 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -1702,8 +1702,8 @@ run_hpkp() {
                fileout "hpkp_age" "OK" "HPKP age is set to $hpkp_age_days days ($hpkp_age_sec sec)"
           else
                out "$hpkp_age_sec s = "
-               pr_svrty_medium "$hpkp_age_days days (<$HPKP_MIN days is not good enough)"
-               fileout "hpkp_age" "MEDIUM" "HPKP age is set to $hpkp_age_days days ($hpkp_age_sec sec) < $HPKP_MIN days is not good enough."
+               pr_svrty_medium "$hpkp_age_days days (< $HPKP_MIN s = $((HPKP_MIN / 86400)) days is not good enough)"
+               fileout "hpkp_age" "MEDIUM" "HPKP age is set to $hpkp_age_days days ($hpkp_age_sec sec) < $HPKP_MIN s = $((HPKP_MIN / 86400)) days is not good enough."
           fi
 
           if includeSubDomains "$TMPFILE"; then