diff --git a/tests/regress/hook_add_crash.py b/tests/regress/hook_add_crash.py
new file mode 100755
index 00000000..64b6f51b
--- /dev/null
+++ b/tests/regress/hook_add_crash.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+
+"""https://github.com/unicorn-engine/unicorn/issues/165"""
+
+import unicorn
+
+def hook_mem_read_unmapped(mu, access, address, size, value, user_data):
+    pass
+
+mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
+
+for x in range(0, 1000):
+    mu.hook_add(unicorn.UC_HOOK_MEM_READ_UNMAPPED, hook_mem_read_unmapped, None)