diff --git a/volatility3/framework/interfaces/plugins.py b/volatility3/framework/interfaces/plugins.py
index 697e4cdc3..74902636e 100644
--- a/volatility3/framework/interfaces/plugins.py
+++ b/volatility3/framework/interfaces/plugins.py
@@ -59,14 +59,14 @@ class FileHandlerInterface(io.RawIOBase):
 
     @staticmethod
     def sanitize_filename(filename: str) -> str:
-        """Sanititizes the filename to ensure only a specific whitelist of characters is allowed through"""
-        allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.- ()[]{}!$%^:#~?<>,|"
+        """Sanititizes the filename to ensure only a specific allow list of characters is allowed through"""
+        allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.- ()[]{}!$%^#~,"
         result = ""
         for char in filename:
             if char in allowed:
                 result += char
             else:
-                result += "?"
+                result += "_"  # change unwanted chars to an underscore
         return result
 
     def __enter__(self):