diff --git a/uhd_cpp/uhd_spectrum/stdout_watcher.cpp b/uhd_cpp/uhd_spectrum/stdout_watcher.cpp
index 33479f598c0b678102df54974e6fd359ffb37b31..d8d5ef5213737af29068892df236b3c2ab986f52 100644
--- a/uhd_cpp/uhd_spectrum/stdout_watcher.cpp
+++ b/uhd_cpp/uhd_spectrum/stdout_watcher.cpp
@@ -22,7 +22,9 @@ void stdout_watcher::stop_and_wait()
 	m_bStop = true;
 	fprintf (stdout,"Bye!\n");
 	fprintf (stderr,"Bye!\n");
-	wait();
+	for (int i=0;i<10;++i)
+		wait(200);
+	this->terminate();
 }
 
 #ifdef Q_OS_WINDOWS