diff --git a/tests/fp/platform.h b/tests/fp/platform.h
index f8c423dde3..c20ba70baa 100644
--- a/tests/fp/platform.h
+++ b/tests/fp/platform.h
@@ -29,6 +29,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "config-host.h"
 
 #ifndef HOST_WORDS_BIGENDIAN
 #define LITTLEENDIAN 1