diff --git a/mockredis/script.py b/mockredis/script.py
index c0a3d48..a661151 100644
--- a/mockredis/script.py
+++ b/mockredis/script.py
@@ -1,5 +1,11 @@
 import sys
 import threading
+try:
+    # Python 2
+    from itertools import izip
+except ImportError:
+    # Python 3
+    izip = zip
 from mockredis.exceptions import ResponseError
 
 LuaLock = threading.Lock()
@@ -38,11 +44,16 @@ def _execute_lua(self, keys, args, client):
         def _call(*call_args):
             # redis-py and native redis commands are mostly compatible argument
             # wise, but some exceptions need to be handled here:
-            if str(call_args[0]).lower() == 'lrem':
+            nrm_cmd = str(call_args[0]).lower()
+            if nrm_cmd == 'lrem':
                 response = client.call(
                     call_args[0], call_args[1],
                     call_args[3],  # "count", default is 0
                     call_args[2])
+            elif nrm_cmd == 'hmset':
+                # redis-py hmset takes key value pairs in a dictionary and not as a flat list of arguments.
+                call_iter = iter(call_args)
+                response = client.call(next(call_iter), next(call_iter), dict(izip(call_iter, call_iter)))
             else:
                 response = client.call(*call_args)
             return self._python_to_lua(response)
diff --git a/mockredis/tests/test_script.py b/mockredis/tests/test_script.py
index bb000b6..8495c6c 100644
--- a/mockredis/tests/test_script.py
+++ b/mockredis/tests/test_script.py
@@ -251,6 +251,16 @@ def test_script_hgetall(self):
         ok_(isinstance(item, list))
         eq_(["k1", "v1"], item)
 
+    def test_script_hmset(self):
+        script_content = """
+        return redis.call('HMSET', KEYS[1], unpack(ARGV))
+        """
+        script = self.redis.register_script(script_content)
+        script_args = ['a', 1, 'b', '2', 3, 'c', 4, 5]
+        hash_key = "myhash"
+        script(keys=[hash_key], args=script_args)
+        eq_([str(val) for val in script_args[1::2]], self.redis.hmget(hash_key, script_args[0::2]))
+
     def test_evalsha(self):
         self.redis.lpush(LIST1, VAL1)
         script = LPOP_SCRIPT