diff --git a/gitlib/gitlib.py b/gitlib/gitlib.py
index 205b856..84f5ab0 100755
--- a/gitlib/gitlib.py
+++ b/gitlib/gitlib.py
@@ -122,6 +122,7 @@ class NTFSLibrary:
 
         subprocess.run(["/usr/sbin/mkntfs", device, "-Q", "-L", label])
 
+
     def mount_filesystem(self, device, mountpoint):
         """
         Mounts a filesystem on the specified mountpoint using the specified NTFS implementation.
@@ -142,6 +143,11 @@ class NTFSLibrary:
         else:
             raise ValueError("Unknown NTFS implementation: {self.implementation}")
 
+
+        # We've mounted a new filesystem, update our filesystems list
+        self.mounts = self._parse_mounts()
+
+
     def _hex_to_bin(self, hex_str):
 
         while len(hex_str) != 16: