diff --git a/indra/llaudio/llaudiodecodemgr.h b/indra/llaudio/llaudiodecodemgr.h
index e42fe8a40d..1207638f15 100755
--- a/indra/llaudio/llaudiodecodemgr.h
+++ b/indra/llaudio/llaudiodecodemgr.h
@@ -24,7 +24,7 @@
  */
 
 #ifndef LL_LLAUDIODECODEMGR_H
-#define LL_LLAUDIODECODEMG_H
+#define LL_LLAUDIODECODEMGR_H
 
 #include "stdtypes.h"