diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer_class.cpp
index a3e006d70b..f48ecda8ce 100755
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer_class.cpp
@@ -41,6 +41,7 @@
 #elif LL_LINUX || LL_SOLARIS
 #include <sys/time.h>
 #include <sched.h>
+#include "lltimer.h"
 #elif LL_DARWIN
 #include <sys/time.h>
 #include "lltimer.h"	// get_clock_count()