diff --git a/src/sys/ubixfsv2/ubixfs.cpp b/src/sys/ubixfsv2/ubixfs.cpp
index 03a4f50..e12b9bd 100644
--- a/src/sys/ubixfsv2/ubixfs.cpp
+++ b/src/sys/ubixfsv2/ubixfs.cpp
@@ -1,4 +1,5 @@
 #include <stddef.h>
+#include <unistd.h>
 #include "ubixfs.h"
 #include "btree.h"
 #include "inode.h"
@@ -113,7 +114,9 @@
    */
 
   count = (AG << superBlock->AGShift);
-   
+
+  ptr = freeBlockList + (count >> 3);
+  
   endPtr = freeBlockList + (superBlock->numBlocks >> 3);
 
   bool secondTime = false;
@@ -135,7 +138,8 @@
 } // UbixFS::get8FreeBlocks
 
 void *
-UbixFS::vfs_mknod(void) {
+UbixFS::vfs_mknod(const char *path);
+  
   return NULL;
 } // UbixFS::mknod