diff --git a/Makefile b/Makefile
index ede5934..5f3ea7e 100644
--- a/Makefile
+++ b/Makefile
@@ -31,3 +31,6 @@ run: all
 
 clean:
 	@rm -vf auto constexpr core* ilists init init_new lambda loops regex1 regex2 thread thread2 tuple
+
+stress: thread2
+	./stress.zsh
diff --git a/stress.zsh b/stress.zsh
new file mode 100755
index 0000000..3c46bda
--- /dev/null
+++ b/stress.zsh
@@ -0,0 +1,11 @@
+#!/bin/zsh
+while true
+do
+    ./thread2
+    if [[ $? != 0 ]]
+    then
+        break
+    fi
+done
+
+echo "there was a problem"