diff --git a/graphics/dia/files/patch-app_main.c b/graphics/dia/files/patch-app_main.c
index d105c04a6f64..cf626797cb6f 100644
--- a/graphics/dia/files/patch-app_main.c
+++ b/graphics/dia/files/patch-app_main.c
@@ -1,19 +1,23 @@
 --- app/main.c.orig	2014-08-24 15:44:07 UTC
 +++ app/main.c
-@@ -17,12 +17,16 @@
+@@ -17,12 +17,20 @@
   */
  #include <config.h>
  
++#if defined(FP_X_INV) && defined(FP_X_DZ)
 +#include <ieeefp.h>
++#endif
 +
  #include "app_procs.h"
  
  #include "interface.h"
  
  int main(int argc, char *argv[])
  {
++#if defined(FP_X_INV) && defined(FP_X_DZ)
 +  fpsetmask(0);
++#endif
 +
    app_init(argc, argv);
  
    if (!app_is_interactive())