diff --git a/hardsup/dillutil.c b/hardsup/dillutil.c
index 9df6bc02..c9e8c490 100644
--- a/hardsup/dillutil.c
+++ b/hardsup/dillutil.c
@@ -16,7 +16,10 @@
 #include <assert.h>
 #include "serialsinq.h"
 #include "dillutil.h"
+
+#ifdef FORTIFY
 #include "../fortify.h"
+#endif
 
 /* 
 #define debug 1
diff --git a/hardsup/serialsinq.c b/hardsup/serialsinq.c
index 0dc99687..2d40ac72 100644
--- a/hardsup/serialsinq.c
+++ b/hardsup/serialsinq.c
@@ -45,7 +45,11 @@
 #include <stdio.h>
 #include <sys/time.h>
 #include <unistd.h>
+
+#ifdef FORTIFY
 #include "../fortify.h"
+#endif
+
 #include    <stdarg.h>
 #include    <errno.h>
 #include    <signal.h>
diff --git a/hardsup/sinqhm.c b/hardsup/sinqhm.c
index 3aebf867..1fd987ee 100644
--- a/hardsup/sinqhm.c
+++ b/hardsup/sinqhm.c
@@ -51,7 +51,10 @@
 #include    <sys/types.h>
 #include    <assert.h>
 
+#ifdef FORTIFY
 #include   "fortify.h"
+#endif
+
 #include   "sinqhm.h"
 #include   "sinqhm.i"