diff --git a/regress/jmp_ebx_hang.py b/regress/jmp_ebx_hang.py
new file mode 100755
index 00000000..1b78d89c
--- /dev/null
+++ b/regress/jmp_ebx_hang.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+"""See https://github.com/unicorn-engine/unicorn/issues/82"""
+
+import unicorn
+CODE_ADDR = 0x10101000
+CODE = b'\xff\xe3'
+mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
+mu.mem_map(CODE_ADDR, 1024 * 4)
+mu.mem_write(CODE_ADDR, CODE)
+# If EBX is zero then an exception is raised, as expected
+mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0x0)
+
+try:
+    mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1)
+except unicorn.UcError as e:
+    assert(e.errno == unicorn.UC_ERR_CODE_INVALID)
+else:
+    assert(False)
+
+mu = unicorn.Uc(unicorn.UC_ARCH_X86, unicorn.UC_MODE_32)
+mu.mem_map(CODE_ADDR, 1024 * 4)
+# If we write this address to EBX then the emulator hangs on emu_start
+mu.reg_write(unicorn.x86_const.UC_X86_REG_EBX, 0xaa96a47f)
+mu.mem_write(CODE_ADDR, CODE)
+try:
+    mu.emu_start(CODE_ADDR, CODE_ADDR + 2, count=1)
+except unicorn.UcError as e:
+    assert(e.errno == unicorn.UC_ERR_CODE_INVALID)
+else:
+    assert(False)
+
+print "Success"