diff --git a/vendored/libfuse/lib/fuse.cpp b/vendored/libfuse/lib/fuse.cpp
index 4c8c2bfd..bd12d600 100644
--- a/vendored/libfuse/lib/fuse.cpp
+++ b/vendored/libfuse/lib/fuse.cpp
@@ -481,10 +481,9 @@ unhash_name(node_t *node)
       return;
     }
 
-  fprintf(stderr,
-          "mergerfs: unable to unhash node: %llu\n",
-          (unsigned long long)node->nodeid);
-
+  fmt::println(stderr,
+               "mergerfs: unable to unhash node: {}",
+               node->nodeid);
   abort();
 }