diff --git a/site_ansto/site_ansto.c b/site_ansto/site_ansto.c
index 1ad2c463..bc246646 100644
--- a/site_ansto/site_ansto.c
+++ b/site_ansto/site_ansto.c
@@ -23,7 +23,10 @@
 #include <tcl.h>
 #include <site.h>
 #include <SCinter.h>
+
+#ifdef SICS_VALGRIND
 #include <valgrind/memcheck.h>
+#endif
 
 #include "protocol.h"
 #include "sicslist.h"