diff --git a/src/schema_compile_amend.c b/src/schema_compile_amend.c
index a2600af..a57930c 100644
--- a/src/schema_compile_amend.c
+++ b/src/schema_compile_amend.c
@@ -31,6 +31,7 @@
 #include "set.h"
 #include "tree.h"
 #include "tree_data.h"
+#include "tree_edit.h"
 #include "tree_schema.h"
 #include "tree_schema_internal.h"
 #include "xpath.h"