diff --git a/binding.gyp b/binding.gyp
index 68b3669e..eb7e8f24 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -29,6 +29,8 @@
       '-lboost_filesystem',
       '-lboost_program_options',
       '-lboost_thread',
+      '-lboost_chrono',
+      #'-lpthread',
       # leveldb:
       '-L<!(echo "$HOME")/bitcoin/src/leveldb/libleveldb.a',
       # bitcoind:
diff --git a/src/bitcoindjs.cc b/src/bitcoindjs.cc
index 96489efc..3c568404 100644
--- a/src/bitcoindjs.cc
+++ b/src/bitcoindjs.cc
@@ -75,7 +75,7 @@
 extern void (ThreadImport)(std::vector<boost::filesystem::path>);
 extern void (DetectShutdownThread)(boost::thread_group*);
 extern void (StartNode)(boost::thread_group&);
-extern int nScriptCheckThreads;
+//extern int nScriptCheckThreads;
 // extern const int DEFAULT_SCRIPTCHECK_THREADS; // static!!
 #ifdef ENABLE_WALLET
 extern std::string strWalletFile;
@@ -174,7 +174,6 @@ async_work(uv_work_t *req) {
   // Binary file /usr/lib/libboost_thread.so.1.55.0 matches
   // Binary file /usr/lib/libboost_log_setup.so.1.55.0 matches
   // Binary file /usr/lib/libboost_thread.a matches
-
   // '-L/usr/lib/libboost_log_setup.a ',
   // '-L/usr/lib/libboost_thread.so.1.55.0 ',
   // '-L/usr/lib/libboost_log_setup.so.1.55.0 ',
@@ -233,6 +232,8 @@ async_after(uv_work_t *req) {
  * the logging and argument parsing.
  */
 
+const int nScriptCheckThreads = 0;
+
 static int
 start_node(void) {
   boost::thread_group threadGroup;