diff --git a/ortools/util/fp_utils.h b/ortools/util/fp_utils.h
index 569eeddf47..332c31301b 100644
--- a/ortools/util/fp_utils.h
+++ b/ortools/util/fp_utils.h
@@ -81,7 +81,7 @@ class ScopedFloatingPointEnv {
 #elif defined(ARCH_K8)
     CHECK_EQ(0, fegetenv(&fenv_));
     excepts &= FE_ALL_EXCEPT;
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__FreeBSD__)
     fenv_.__control &= ~excepts;
 #else  // Linux
     fenv_.__control_word &= ~excepts;
diff --git a/ortools/util/zvector.h b/ortools/util/zvector.h
index ffd51901eb..60ab555e30 100644
--- a/ortools/util/zvector.h
+++ b/ortools/util/zvector.h
@@ -14,7 +14,7 @@
 #ifndef OR_TOOLS_UTIL_ZVECTOR_H_
 #define OR_TOOLS_UTIL_ZVECTOR_H_
 
-#if defined(__APPLE__) && defined(__GNUC__)
+#if ( defined(__APPLE__) || defined(__FreeBSD__) ) && defined(__GNUC__)
 #include <machine/endian.h>
 #elif !defined(_MSC_VER)
 #include <endian.h>