diff --git a/src/util/bdthreads.cc b/src/util/bdthreads.cc
index 2f008cc..b479242 100644
--- a/src/util/bdthreads.cc
+++ b/src/util/bdthreads.cc
@@ -64,6 +64,15 @@ pthread_t  createThread(bdThread &thread)
 
 }
 
+bdThread::bdThread()
+{
+#if defined(_WIN32) || defined(__MINGW32__)
+	memset (&mTid, 0, sizeof(mTid));
+#else
+	mTid = 0;
+#endif
+}
+
 void bdThread::join() /* waits for the the mTid thread to stop */
 {
 	void *ptr;
diff --git a/src/util/bdthreads.h b/src/util/bdthreads.h
index ea4a243..a64ea6f 100644
--- a/src/util/bdthreads.h
+++ b/src/util/bdthreads.h
@@ -65,14 +65,7 @@ pthread_t  createThread(bdThread &thread);
 class bdThread
 {
 	public:
-	bdThread()
-	{
-#if defined(_WIN32) || defined(__MINGW32__)
-		memset (&mTid, 0, sizeof(mTid));
-#else
-		mTid = 0;
-#endif
-	}
+	bdThread();
 virtual ~bdThread() { return; }
 
 virtual void start() { createThread(*this); }