diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 2e8cfa35..e84790a4 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -1237,7 +1237,7 @@ def add_optouts(ap):
     ap2.add_argument("-nid", action="store_true", help="no info disk-usage -- don't show in UI")
     ap2.add_argument("-nb", action="store_true", help="no powered-by-copyparty branding in UI")
     ap2.add_argument("--zipmaxn", metavar="N", type=u, default="0", help="reject download-as-zip if more than \033[33mN\033[0m files in total; optionally takes a unit suffix: [\033[32m256\033[0m], [\033[32m9K\033[0m], [\033[32m4G\033[0m] (volflag=zipmaxn)")
-    ap2.add_argument("--zipmaxs", metavar="MiB", type=u, default="0", help="reject download-as-zip if total download size exceeds \033[33mMiB\033[0m; assumes megabytes unless a unit suffix is given: [\033[32m256\033[0m], [\033[32m4G\033[0m], [\033[32m2T\033[0m] (volflag=zipmaxs)")
+    ap2.add_argument("--zipmaxs", metavar="SZ", type=u, default="0", help="reject download-as-zip if total download size exceeds \033[33mSZ\033[0m bytes; optionally takes a unit suffix: [\033[32m256M\033[0m], [\033[32m4G\033[0m], [\033[32m2T\033[0m] (volflag=zipmaxs)")
     ap2.add_argument("--zipmaxt", metavar="TXT", type=u, default="", help="custom errormessage when download size exceeds max (volflag=zipmaxt)")
     ap2.add_argument("--zipmaxu", action="store_true", help="authenticated users bypass the zip size limit (volflag=zipmaxu)")
     ap2.add_argument("--zip-who", metavar="LVL", type=int, default=3, help="who can download as zip/tar? [\033[32m0\033[0m]=nobody, [\033[32m1\033[0m]=admins, [\033[32m2\033[0m]=authenticated-with-read-access, [\033[32m3\033[0m]=everyone-with-read-access (volflag=zip_who)\n\033[1;31mWARNING:\033[0m if a nested volume has a more restrictive value than a parent volume, then this will be \033[33mignored\033[0m if the download is initiated from the parent, more lenient volume")
diff --git a/copyparty/authsrv.py b/copyparty/authsrv.py
index 377a65dc..ead013a8 100644
--- a/copyparty/authsrv.py
+++ b/copyparty/authsrv.py
@@ -1805,7 +1805,7 @@ class AuthSrv(object):
 
         for vol in vfs.all_vols.values():
             use = False
-            for k, si in [["zipmaxn", ""], ["zipmaxs", "m"]]:
+            for k in ["zipmaxn", "zipmaxs"]:
                 try:
                     zs = vol.flags[k]
                 except:
@@ -1814,13 +1814,8 @@ class AuthSrv(object):
                     vol.flags[k] = 0
                     continue
 
-                try:
-                    _ = float(zs)
-                    zs = "%s%s" % (zs, si)
-                except:
-                    pass
                 zf = unhumanize(zs)
-                vol.flags[k] = zf
+                vol.flags[k + "_v"] = zf
                 if zf:
                     use = True
             if use:
diff --git a/copyparty/cfg.py b/copyparty/cfg.py
index ab5f30dc..1289ff82 100644
--- a/copyparty/cfg.py
+++ b/copyparty/cfg.py
@@ -102,6 +102,8 @@ def vf_vmap() -> dict[str, str]:
         "u2ts",
         "ups_who",
         "zip_who",
+        "zipmaxn",
+        "zipmaxs",
         "zipmaxt",
     ):
         ret[k] = k
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 067552c9..356fdc36 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -4367,8 +4367,8 @@ class HttpCli(object):
             fn = self.host.split(":")[0]
 
         if vn.flags.get("zipmax") and (not self.uname or not "zipmaxu" in vn.flags):
-            maxs = vn.flags.get("zipmaxs") or 0
-            maxn = vn.flags.get("zipmaxn") or 0
+            maxs = vn.flags.get("zipmaxs_v") or 0
+            maxn = vn.flags.get("zipmaxn_v") or 0
             nf = 0
             nb = 0
             fgen = vn.zipgen(
diff --git a/copyparty/up2k.py b/copyparty/up2k.py
index b7bb9252..1318777d 100644
--- a/copyparty/up2k.py
+++ b/copyparty/up2k.py
@@ -1119,7 +1119,7 @@ class Up2k(object):
         ft = "\033[0;32m{}{:.0}"
         ff = "\033[0;35m{}{:.0}"
         fv = "\033[0;36m{}:\033[90m{}"
-        zs = "ext_th_d html_head mv_re_r mv_re_t rm_re_r rm_re_t srch_re_dots srch_re_nodot zipmax"
+        zs = "ext_th_d html_head mv_re_r mv_re_t rm_re_r rm_re_t srch_re_dots srch_re_nodot zipmax zipmaxn_v zipmaxs_v"
         fx = set(zs.split())
         fd = vf_bmap()
         fd.update(vf_cmap())