diff --git a/src/libCom/timer/epicsTimer.cpp b/src/libCom/timer/epicsTimer.cpp
index 7cdc30bd3..0fb8bacba 100644
--- a/src/libCom/timer/epicsTimer.cpp
+++ b/src/libCom/timer/epicsTimer.cpp
@@ -18,9 +18,8 @@
 #include <string>
 #include <stdexcept>
 
-#include "epicsMath.h"
-
 #define epicsExportSharedSymbols
+#include "epicsMath.h"
 #include "epicsTimer.h"
 #include "epicsGuard.h"
 #include "timerPrivate.h"