diff --git a/include/libtorrent/config.hpp b/include/libtorrent/config.hpp
index 9596dab1d..72eb05499 100644
--- a/include/libtorrent/config.hpp
+++ b/include/libtorrent/config.hpp
@@ -121,7 +121,7 @@ POSSIBILITY OF SUCH DAMAGE.
 
 // set this to 1 to disable all floating point operations
 // (disables some float-dependent APIs)
-#define TORRENT_NO_FPU 1
+#define TORRENT_NO_FPU 0
 
 #ifdef TORRENT_WINDOWS
 #include <stdarg.h>