diff --git a/math/giacxcas/files/patch-src_quickjs.c b/math/giacxcas/files/patch-src_quickjs.c
index c330699c7c28..26f5c81fdc3a 100644
--- a/math/giacxcas/files/patch-src_quickjs.c
+++ b/math/giacxcas/files/patch-src_quickjs.c
@@ -1,11 +1,19 @@
 --- src/quickjs.c.orig	2021-03-23 12:33:15 UTC
 +++ src/quickjs.c
-@@ -41,6 +41,8 @@
+@@ -34,13 +34,15 @@
+ #ifdef NSPIRE_NEWLIB
+ #include "fenv.h"
+ #else
+-#include <fenv.h>
++#include </usr/include/fenv.h>
+ #endif
+ #include <math.h>
+ #if defined(__APPLE__)
  #include <malloc/malloc.h>
  #elif defined(__linux__)
  #include <malloc.h>
 +#elif defined(__FreeBSD__)
 +#include <malloc_np.h>
  #endif
  
  #ifdef EMCC