1 files changed, 3 insertions, 2 deletions
diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h
index 3c24f80c..c6e40a55 100644
--- a/OpenAL32/Include/alAuxEffectSlot.h
+++ b/OpenAL32/Include/alAuxEffectSlot.h
@@ -4,6 +4,7 @@
 #include "alMain.h"
 #include "alEffect.h"
 
+#include "atomic.h"
 #include "align.h"
 
 #ifdef __cplusplus
@@ -88,8 +89,6 @@ struct ALeffectslotProps {
 
 
 typedef struct ALeffectslot {
-    ALboolean NeedsUpdate;
-
     ALfloat   Gain;
     ALboolean AuxSendAuto;
 
@@ -100,6 +99,8 @@ typedef struct ALeffectslot {
         ALeffectState *State;
     } Effect;
 
+    ATOMIC_FLAG PropsClean;
+
     RefCount ref;
 
     ATOMIC(struct ALeffectslotProps*) Update;