diff -r d581ba87fe2a -r 9d0946907cd9 src/scene_node.c
--- a/src/scene_node.c	Fri Jul 04 23:35:41 2025 +0200
+++ b/src/scene_node.c	Fri Jul 04 23:36:40 2025 +0200
@@ -100,10 +100,10 @@
     }
     if (parent == NULL) {
         cx_sprintf(&node->name.ptr, &node->name.length,
-            "%"PRIuPTR " - w/o named parent", (uintptr_t)node);
+            "%"PRIxPTR " - w/o named parent", (uintptr_t)node);
     } else {
         cx_sprintf(&node->name.ptr, &node->name.length,
-            "%"PRIuPTR " - child of %"CX_PRIstr, (uintptr_t)node, CX_SFMT(parent->name));
+            "%"PRIxPTR " - child of %"CX_PRIstr, (uintptr_t)node, CX_SFMT(parent->name));
     }
 
     return cx_strcast(node->name);