diff --git a/instaloader/instaloader.py b/instaloader/instaloader.py
index 6a52f8e..6182bb6 100644
--- a/instaloader/instaloader.py
+++ b/instaloader/instaloader.py
@@ -108,7 +108,7 @@ class _PostPathFormatter(_ArbitraryItemFormatter):
         ret = super().vformat(format_string, args, kwargs)
         if platform.system() == 'Windows':
             ret = ret.replace(':', '\ua789').replace('<', '\ufe64').replace('>', '\ufe65').replace('\"', '\uff02')
-            ret = ret.replace('\\', '\uff3c').replace('|', '\uff5c').replace('?', '\ufe16').replace('*', '\uff0a')
+            ret = ret.replace('\\', '\ufe68').replace('|', '\uff5c').replace('?', '\ufe16').replace('*', '\uff0a')
         return ret
 
 
diff --git a/instaloader/structures.py b/instaloader/structures.py
index 0efe36d..8d303d6 100644
--- a/instaloader/structures.py
+++ b/instaloader/structures.py
@@ -256,7 +256,7 @@ class Post:
     def pcaption(self) -> str:
         """Printable caption, useful as a format specifier for --filename-pattern."""
         def _elliptify(caption):
-            pcaption = ' '.join([s.replace('/', '∕') for s in caption.splitlines() if s]).strip()
+            pcaption = ' '.join([s.replace('/', '\u2215') for s in caption.splitlines() if s]).strip()
             return (pcaption[:30] + u"\u2026") if len(pcaption) > 31 else pcaption
         return _elliptify(self.caption) if self.caption else ''