1 files changed, 1 insertions, 0 deletions
diff --git a/merkle_tree.c b/merkle_tree.c
index 2b0ac0d..c3da3a1 100644
--- a/merkle_tree.c
+++ b/merkle_tree.c
@@ -4,5 +4,6 @@
 MTree *mtree_initialize(int size) {
   MTree *tree = malloc(sizeof(MTree));
   tree->max_size = size;
+  tree->head = NULL;
   return tree;
 }