diff --git a/tests/stress_tests/extractloop.bash b/tests/stress_tests/extractloop.bash
index 95eaecd..055103b 100755
--- a/tests/stress_tests/extractloop.bash
+++ b/tests/stress_tests/extractloop.bash
@@ -13,6 +13,9 @@
 
 set -eu
 
+# Run at low priority to not annoy the user too much
+renice 19 $$
+
 cd "$(dirname "$0")"
 MD5="$PWD/linux-3.0.md5sums"
 MYNAME=$(basename "$0")