2 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/Output/jack/jack.pro b/src/plugins/Output/jack/jack.pro
index 75c05fd01..9f9cf889a 100644
--- a/src/plugins/Output/jack/jack.pro
+++ b/src/plugins/Output/jack/jack.pro
@@ -12,7 +12,7 @@ TARGET=$$PLUGINS_PREFIX/Output/jack
 QMAKE_CLEAN =$$PLUGINS_PREFIX/Output/libjack.so
 
 
-#DEFINES += JACK_NEW_API
+DEFINES += JACK_NEW_API
 
 
 INCLUDEPATH += ../../../
diff --git a/src/plugins/Output/jack/outputjack.cpp b/src/plugins/Output/jack/outputjack.cpp
index feeccf9d3..c05e93785 100644
--- a/src/plugins/Output/jack/outputjack.cpp
+++ b/src/plugins/Output/jack/outputjack.cpp
@@ -37,6 +37,7 @@ OutputJACK::OutputJACK(QObject *parent) : Output(parent), m_inited(false)
 {
     JACK_Init();
     m_wait_time = 0;
+    jack_device = 0;
 }
 
 OutputJACK::~OutputJACK()
@@ -91,4 +92,5 @@ void OutputJACK::uninitialize()
     if (!m_inited)
         return;
     JACK_Close(jack_device);
+    m_inited = false;
 }