diff --git a/sn3d.cc b/sn3d.cc
index 5edd3c80a..6c79d7935 100644
--- a/sn3d.cc
+++ b/sn3d.cc
@@ -24,7 +24,6 @@
 #include <ctime>
 #include <filesystem>
 #include <fstream>
-#include <ios>
 #ifndef GPU_ON
 #include <random>
 #endif
@@ -718,7 +717,7 @@ auto main(int argc, char *argv[]) -> int {
   {
     // initialise the thread and rank specific output file
     snprintf(filename, MAXFILENAMELENGTH, "output_%d-%d.txt", my_rank, get_thread_num());
-    output_file = std::ofstream(filename, std::ios::noreplace);
+    output_file = std::ofstream(filename);
     assert_always(output_file.is_open());
 
 #ifdef _OPENMP