diff --git a/copyparty/fsutil.py b/copyparty/fsutil.py
index cc68733c..06979ec9 100644
--- a/copyparty/fsutil.py
+++ b/copyparty/fsutil.py
@@ -10,7 +10,7 @@ from .authsrv import AXS, VFS
 from .util import chkcmd, min_ex
 
 try:
-    from typing import Optional, Union
+    from typing import Any, Optional, Union
 
     from .util import RootLogger
 except:
@@ -28,7 +28,7 @@ class Fstab(object):
     def log(self, msg: str, c: Union[int, str] = 0) -> None:
         self.log_func("fstab", msg + "\033[K", c)
 
-    def get(self, path: str):
+    def get(self, path: str) -> str:
         if len(self.cache) > 9000:
             self.age = time.time()
             self.tab = None
@@ -64,7 +64,7 @@ class Fstab(object):
         self.log("found {} at {}".format(fs, path))
         return fs
 
-    def build_tab(self):
+    def build_tab(self) -> None:
         self.log("building tab")
 
         sptn = r"^.*? on (.*) type ([^ ]+) \(.*"
@@ -79,7 +79,8 @@ class Fstab(object):
             if not m:
                 continue
 
-            tab1.append(m.groups())
+            zs1, zs2 = m.groups()
+            tab1.append((str(zs1), str(zs2)))
 
         tab1.sort(key=lambda x: (len(x[0]), x[0]))
         path1, fs1 = tab1[0]
@@ -89,7 +90,8 @@ class Fstab(object):
 
         self.tab = tab
 
-    def relabel(self, path: str, nval: str):
+    def relabel(self, path: str, nval: str) -> None:
+        assert self.tab
         ptn = re.compile(r"^[^\\/]*")
         vn, _ = self.tab._find(path)
         visit = [vn]
@@ -99,18 +101,19 @@ class Fstab(object):
             visit.extend(list(vn.nodes.values()))
         self.cache = {}
 
-    def get_unix(self, path: str):
+    def get_unix(self, path: str) -> str:
         if not self.tab:
             self.build_tab()
 
+        assert self.tab
         return self.tab._find(path)[0].realpath.split("/")[0]
 
-    def get_w32(self, path: str):
+    def get_w32(self, path: str) -> str:
         # list mountpoints: fsutil fsinfo drives
 
         from ctypes.wintypes import BOOL, DWORD, LPCWSTR, LPDWORD, LPWSTR, MAX_PATH
 
-        def echk(rc, fun, args):
+        def echk(rc: int, fun: Any, args: Any) -> None:
             if not rc:
                 raise ctypes.WinError(ctypes.get_last_error())
             return None
diff --git a/copyparty/util.py b/copyparty/util.py
index a3c79d2f..a6408732 100644
--- a/copyparty/util.py
+++ b/copyparty/util.py
@@ -1705,16 +1705,16 @@ def termsize() -> tuple[int, int]:
     # from hashwalk
     env = os.environ
 
-    def ioctl_GWINSZ(fd):
+    def ioctl_GWINSZ(fd: int) -> Optional[tuple[int, int]]:
         try:
             import fcntl
             import struct
             import termios
 
-            cr = struct.unpack("hh", fcntl.ioctl(fd, termios.TIOCGWINSZ, "1234"))
+            cr = struct.unpack("hh", fcntl.ioctl(fd, termios.TIOCGWINSZ, b"1234"))
+            return int(cr[1]), int(cr[0])
         except:
-            return
-        return cr
+            return None
 
     cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
     if not cr:
@@ -1725,13 +1725,13 @@ def termsize() -> tuple[int, int]:
         except:
             pass
 
-    if not cr:
-        try:
-            cr = (env["LINES"], env["COLUMNS"])
-        except:
-            cr = (25, 80)
+    if cr:
+        return cr
 
-    return int(cr[1]), int(cr[0])
+    try:
+        return int(env["COLUMNS"]), int(env["LINES"])
+    except:
+        return 80, 25
 
 
 class Pebkac(Exception):