diff --git a/reactos/lib/fslib/vfatlib/check/io.c b/reactos/lib/fslib/vfatlib/check/io.c
index 19b446cb32a..e9cdcbb6ccf 100644
--- a/reactos/lib/fslib/vfatlib/check/io.c
+++ b/reactos/lib/fslib/vfatlib/check/io.c
@@ -80,14 +80,14 @@ void fs_open(PUNICODE_STRING DriveRoot,int rw)
     did_change = 0;
 }
 
-BOOLEAN fs_isdirty(PUNICODE_STRING DriveRoot)
+BOOLEAN fs_isdirty()
 {
     ULONG DirtyMask = 0;
     NTSTATUS Status;
     IO_STATUS_BLOCK IoSb;
 
     /* Check if volume is dirty */
-    Status = NtFsControlFile(fd/*FileSystem*/,
+    Status = NtFsControlFile(fd,
                              NULL, NULL, NULL, &IoSb,
                              FSCTL_IS_VOLUME_DIRTY,
                              NULL, 0, &DirtyMask, sizeof(DirtyMask));
diff --git a/reactos/lib/fslib/vfatlib/check/io.h b/reactos/lib/fslib/vfatlib/check/io.h
index 6c6675f0f9b..9dfce9b7574 100644
--- a/reactos/lib/fslib/vfatlib/check/io.h
+++ b/reactos/lib/fslib/vfatlib/check/io.h
@@ -21,7 +21,7 @@ void fs_open(PUNICODE_STRING DriveRoot,int rw);
 /* Opens the file system PATH. If RW is zero, the file system is opened
    read-only, otherwise, it is opened read-write. */
 
-BOOLEAN fs_isdirty(PUNICODE_STRING DriveRoot);
+BOOLEAN fs_isdirty();
 
 /* Checks if filesystem is dirty */
 
diff --git a/reactos/lib/fslib/vfatlib/vfatlib.c b/reactos/lib/fslib/vfatlib/vfatlib.c
index bbe72705429..0a096807a2c 100755
--- a/reactos/lib/fslib/vfatlib/vfatlib.c
+++ b/reactos/lib/fslib/vfatlib/vfatlib.c
@@ -256,7 +256,7 @@ VfatChkdsk(
     /* Open filesystem */
     fs_open(DriveRoot,FixErrors);
 
-    if (CheckOnlyIfDirty && !fs_isdirty(DriveRoot))
+    if (CheckOnlyIfDirty && !fs_isdirty())
     {
         /* No need to check FS */
         return fs_close(FALSE);