diff --git a/second/fs/ext2.c b/second/fs/ext2.c
index 57f5e9a..12d00dc 100644
--- a/second/fs/ext2.c
+++ b/second/fs/ext2.c
@@ -163,3 +163,9 @@ void *realloc(void *p, int size)
 {
         return NULL;
 }
+
+int posix_memalign(void **memptr, size_t alignment, size_t size)
+{
+	*memptr = NULL;
+	return -1;
+}