diff --git a/src/plot.cpp b/src/plot.cpp
index 481ed20fb..f52c2b03f 100644
--- a/src/plot.cpp
+++ b/src/plot.cpp
@@ -87,8 +87,8 @@ void PropertyData::set_overlap(size_t y, size_t x) {
 
 namespace model {
 
-std::vector<Plot> plots;
 std::unordered_map<int, int> plot_map;
+std::vector<Plot> plots;
 uint64_t plotter_seed = 1;
 
 } // namespace model
@@ -101,8 +101,7 @@ extern "C"
 int openmc_plot_geometry()
 {
   for (auto pl : model::plots) {
-    write_message(fmt::format("Processing plot {}: {}...",
-      pl.id_, pl.path_plot_), 5);
+    write_message(5, "Processing plot {}: {}...", pl.id_, pl.path_plot_);
 
     if (PlotType::slice == pl.type_) {
       // create 2D image