diff --git a/src/structure_dump.cpp b/src/structure_dump.cpp
index c5bcca7c1..994822e86 100644
--- a/src/structure_dump.cpp
+++ b/src/structure_dump.cpp
@@ -424,7 +424,7 @@ binary_partition::binary_partition(const split_plane &_split_plane,
   if (!left || !right) { meep::abort("Binary partition tree is required to be full"); }
 }
 
-binary_partition::binary_partition(const binary_partition& other) : proc_id{other.proc_id}, plane{other.plane} {
+binary_partition::binary_partition(const binary_partition& other) : proc_id{other.proc_id}, plane(other.plane) {
   if (!other.is_leaf()) {
     left.reset(new binary_partition(*other.left));
     right.reset(new binary_partition(*other.right));