diff --git a/Engine/source/gfx/gl/gfxGLCircularVolatileBuffer.h b/Engine/source/gfx/gl/gfxGLCircularVolatileBuffer.h
index cd961a19e..4396709ee 100644
--- a/Engine/source/gfx/gl/gfxGLCircularVolatileBuffer.h
+++ b/Engine/source/gfx/gl/gfxGLCircularVolatileBuffer.h
@@ -224,6 +224,8 @@ public:
       if (GFXGL->mCapabilities.bufferStorage)
       {
          outPtr = static_cast<U8*>(mBufferPtr) + mBufferFreePos;
+         _getBufferData.mOffset = outOffset;
+         _getBufferData.mSize = size;
       }
       else if (GFXGL->glUseMap())
       {