diff --git a/src/register/prdfCaptureData.C b/src/register/prdfCaptureData.C
index d6777aa..a984f24 100755
--- a/src/register/prdfCaptureData.C
+++ b/src/register/prdfCaptureData.C
@@ -32,6 +32,7 @@
 //  Includes
 //----------------------------------------------------------------------
 
+#include <hei_macros.hpp>
 #include <register/hei_hardware_register.hpp>
 #include <util/hei_bit_string.hpp>