diff -r ca4c6f590a08 -r 4c3a69b9723a tests/test_tree.c
--- a/tests/test_tree.c	Mon Feb 10 21:30:51 2025 +0100
+++ b/tests/test_tree.c	Mon Feb 10 20:59:02 2025 +0100
@@ -56,7 +56,7 @@
 
 static void *tree_node_file_create(
         const void *dptr,
-        void *allocator) {
+        const void *allocator) {
     if (allocator == NULL) allocator = cxDefaultAllocator;
 
     tree_node_file *node = cxMalloc(allocator, sizeof(tree_node_file));