1 files changed, 3 insertions, 3 deletions
diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h
index b7fe3b4c..6f18993e 100644
--- a/OpenAL32/Include/alAuxEffectSlot.h
+++ b/OpenAL32/Include/alAuxEffectSlot.h
@@ -15,10 +15,10 @@ typedef struct ALeffectslot
 {
     ALeffect effect;
 
-    ALfloat Gain;
-    ALboolean AuxSendAuto;
+    volatile ALfloat   Gain;
+    volatile ALboolean AuxSendAuto;
 
-    ALenum        NeedsUpdate;
+    volatile ALenum NeedsUpdate;
     ALeffectState *EffectState;
 
     ALfloat WetBuffer[BUFFERSIZE];