2 files changed, 3 insertions, 2 deletions
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index c7f4bd72..992ccfec 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -272,6 +272,9 @@ struct ALCdevice_struct
     // Simulated dampening from head occlusion
     ALfloat      HeadDampen;
 
+    // Duplicate stereo sources on the side/rear channels
+    ALboolean    DuplicateStereo;
+
     // Dry path buffer mix
     float DryBuffer[BUFFERSIZE][OUTPUTCHANNELS];
 
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index 32b411d5..62b6fbe7 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -76,8 +76,6 @@ typedef enum {
 
 #define BUFFERSIZE 16384
 
-extern ALboolean DuplicateStereo;
-
 /* NOTE: The AL_FORMAT_REAR* enums aren't handled here be cause they're
  *       converted to AL_FORMAT_QUAD* when loaded */
 static __inline ALuint aluBytesFromFormat(ALenum format)