diff --git a/libs/openal-soft/include/threads.h b/libs/openal-soft/include/threads.h
index c3e68d14..9dfb242d 100644
--- a/libs/openal-soft/include/threads.h
+++ b/libs/openal-soft/include/threads.h
@@ -33,7 +33,7 @@ typedef void (*altss_dtor_t)(void*);
 #include <windows.h>
 
 
-if !defined(_TIMESPEC_DEFINED) && !(defined(_MSC_VER) && (_MSC_VER >= 1900))
+#if !defined(_TIMESPEC_DEFINED) && !(defined(_MSC_VER) && (_MSC_VER >= 1900))
 #define _TIMESPEC_DEFINED
 struct timespec {
     time_t tv_sec;