diff --git a/test_that b/test_that
index 6cfc369..fe80c3d 100755
--- a/test_that
+++ b/test_that
@@ -17,9 +17,12 @@
 sudo $SCR "$@" &
 child_pid=$!
 wait $child_pid
+readonly cached_exit_status=$?
 
-if [[ $? -gt 128 ]]
+if [[ $cached_exit_status -gt 128 ]]
 then
     sudo kill $child_pid
     wait $child_pid
-fi
\ No newline at end of file
+fi
+
+exit $cached_exit_status
\ No newline at end of file