diff --git a/src/simulation.cpp b/src/simulation.cpp
index 9c19c2106..fcb115849 100644
--- a/src/simulation.cpp
+++ b/src/simulation.cpp
@@ -410,7 +410,7 @@ void finalize_batch()
 
   if(settings::surf_mcpl_write && simulation::current_batch == settings::n_batches){
     auto filename = settings::path_output + ".mcpl";
-    write_mcplt_source_point(filename.c_str(), true);
+    write_mcpl_source_point(filename.c_str(), true);
   }