diff --git a/stepmania/src/RageSoundMixBuffer.cpp b/stepmania/src/RageSoundMixBuffer.cpp
index 6b664c46c3..d265862321 100644
--- a/stepmania/src/RageSoundMixBuffer.cpp
+++ b/stepmania/src/RageSoundMixBuffer.cpp
@@ -4,9 +4,10 @@
 
 #if defined(MACOSX)
 #include "archutils/Darwin/VectorHelper.h"
-
+#ifdef USE_VEC
 static bool g_bVector;
 #endif
+#endif
 
 RageSoundMixBuffer::RageSoundMixBuffer()
 {