1 files changed, 1 insertions, 0 deletions
diff --git a/tree.c b/tree.c
index 58cf19b4fa..8f8ef3189a 100644
--- a/tree.c
+++ b/tree.c
@@ -5,6 +5,7 @@
 #include "blob.h"
 #include "commit.h"
 #include "tag.h"
+#include "alloc.h"
 #include "tree-walk.h"
 
 const char *tree_type = "tree";