diff --git a/run b/run
index e58d9c3..3fa375a 100755
--- a/run
+++ b/run
@@ -319,9 +319,9 @@ ${extra_flags} \
 fi
 if "$tmux"; then
   if "$gem5"; then
-    eval "./tmu 'sleep 2;./gem5-shell ${tmux_args};'"
+    eval "./tmu 'sleep 2;./gem5-shell -n ${common_run_id} ${tmux_args};'"
   elif  "$debug"; then
-    eval "./tmu ./rungdb -a '${arch} -L ${common_linux_variant}' ${tmux_args}"
+    eval "./tmu ./rungdb -a '${arch} -L ${common_linux_variant}' -n ${common_run_id} ${tmux_args}"
   fi
 fi
 "${root_dir}/eeval" "$cmd" "${common_gem5_run_dir}/run.sh"