diff --git a/lib/hackrf/hackrf_source_c.cc b/lib/hackrf/hackrf_source_c.cc
index c845840..f9ed206 100644
--- a/lib/hackrf/hackrf_source_c.cc
+++ b/lib/hackrf/hackrf_source_c.cc
@@ -102,9 +102,13 @@ hackrf_source_c::hackrf_source_c (const std::string &args)
     _bandwidth(0)
 {
   int ret;
+  std::string *hackrf_serial = NULL;
 
   dict_t dict = params_to_dict(args);
 
+  if (dict.count("hackrf"))
+    hackrf_serial = &dict["hackrf"];
+
   _buf_num = _buf_len = _buf_head = _buf_used = _buf_offset = 0;
 
   if (dict.count("buffers"))
@@ -142,7 +146,10 @@ hackrf_source_c::hackrf_source_c (const std::string &args)
   }
 
   _dev = NULL;
-  ret = hackrf_open( &_dev );
+  if (hackrf_serial)
+    ret = hackrf_open_by_serial(hackrf_serial->c_str(), &_dev);
+  else
+    ret = hackrf_open( &_dev );
   HACKRF_THROW_ON_ERROR(ret, "Failed to open HackRF device")
 
   uint8_t board_id;