diff --git a/dev/bench/bench.sh b/dev/bench/bench.sh
index 43dbb86588b3..d08a6aa553ae 100755
--- a/dev/bench/bench.sh
+++ b/dev/bench/bench.sh
@@ -599,8 +599,8 @@ $skipped_packages"
         # opam logs prefix the printing with "- " so remove that
         # remove the base path for nicer printing and so the script can identify common files
         "$program_path"/../../tools/make-both-time-files.py \
-            <(sed -e 's/^- //' -e "s:$old_base_path::" "$log_dir/$coq_opam_package.OLD.opam_install.$iteration.stdout.log") \
             <(sed -e 's/^- //' -e "s:$new_base_path::" "$log_dir/$coq_opam_package.NEW.opam_install.$iteration.stdout.log") \
+            <(sed -e 's/^- //' -e "s:$old_base_path::" "$log_dir/$coq_opam_package.OLD.opam_install.$iteration.stdout.log") \
             > "$log_dir/$coq_opam_package.BOTH.perfile_timings.$iteration.log"
     done
 
@@ -649,8 +649,8 @@ new_base_path=$new_opam_root/ocaml-NEW/.opam-switch/build/
 old_base_path=$old_opam_root/ocaml-OLD/.opam-switch/build/
 for iteration in $(seq $num_of_iterations); do
     "$program_path"/../../tools/make-both-time-files.py \
-        <(sed -e 's/^- //' -e "s:$old_base_path::" "$log_dir/"*".OLD.opam_install.$iteration.stdout.log") \
         <(sed -e 's/^- //' -e "s:$new_base_path::" "$log_dir/"*".NEW.opam_install.$iteration.stdout.log") \
+        <(sed -e 's/^- //' -e "s:$old_base_path::" "$log_dir/"*".OLD.opam_install.$iteration.stdout.log") \
         > "$log_dir/ALL.BOTH.perfile_timings.$iteration.log"
 done