diff --git a/bristol/libbristolaudio/audioEngineJack.c b/bristol/libbristolaudio/audioEngineJack.c

index 2b8900b..8450fd1 100644

--- a/bristol/libbristolaudio/audioEngineJack.c

+++ b/bristol/libbristolaudio/audioEngineJack.c

@@ -38,9 +38,6 @@

 #include <string.h>

 #ifdef _BRISTOL_JACK

-#if (BRISTOL_HAS_ALSA == 1)

-#include <alsa/iatomic.h>

-#endif

 /*

  * Drop this atomic stuff, it comes from the ALSA library and it not present on

@@ -53,7 +50,7 @@

 #ifdef DONT_USE_THIS //IATOMIC_DEFINED // Not very portable

 atomic_t closedown = ATOMIC_INIT(1);

 #else

-int closedown = 1;

+volatile int closedown = 1;

 #endif

 #include "bristol.h"