4 files changed, 4 insertions, 4 deletions
diff --git a/Alc/alsa.c b/Alc/alsa.c
index 95a1cf6f..ea42b7fc 100644
--- a/Alc/alsa.c
+++ b/Alc/alsa.c
@@ -40,7 +40,7 @@ typedef struct {
     ALvoid *buffer;
     ALsizei size;
 
-    int killNow;
+    volatile int killNow;
     ALvoid *thread;
 } alsa_data;
 
diff --git a/Alc/dsound.c b/Alc/dsound.c
index 06b8202b..7e5ea2cc 100644
--- a/Alc/dsound.c
+++ b/Alc/dsound.c
@@ -48,7 +48,7 @@ typedef struct {
     LPDIRECTSOUNDBUFFER    DSpbuffer;
     LPDIRECTSOUNDBUFFER    DSsbuffer;
 
-    int killNow;
+    volatile int killNow;
     ALvoid *thread;
 } DSoundData;
 
diff --git a/Alc/oss.c b/Alc/oss.c
index ef1697d9..399d64bd 100644
--- a/Alc/oss.c
+++ b/Alc/oss.c
@@ -52,7 +52,7 @@ static char *oss_device_capture;
 
 typedef struct {
     int fd;
-    int killNow;
+    volatile int killNow;
     ALvoid *thread;
 
     ALubyte *mix_data;
diff --git a/Alc/wave.c b/Alc/wave.c
index 19f2d9e1..747155b6 100644
--- a/Alc/wave.c
+++ b/Alc/wave.c
@@ -35,7 +35,7 @@ typedef struct {
     ALvoid *buffer;
     ALuint size;
 
-    int killNow;
+    volatile int killNow;
     ALvoid *thread;
 } wave_data;