diff --git a/include/msvcrt/float.h b/include/msvcrt/float.h
index 3b8e5ed7e63..97b2fbee13a 100644
--- a/include/msvcrt/float.h
+++ b/include/msvcrt/float.h
@@ -134,6 +134,7 @@ extern "C" {
 #define _CW_DEFAULT (_RC_NEAR + _PC_64 + _EM_INVALID + _EM_ZERODIVIDE + _EM_OVERFLOW + _EM_UNDERFLOW + _EM_INEXACT + _EM_DENORMAL)
 #endif
 
+_ACRTIMP int __cdecl __fpe_flt_rounds(void);
 unsigned int __cdecl _control87(unsigned int, unsigned int);
 unsigned int __cdecl _controlfp(unsigned int, unsigned int);
 errno_t __cdecl _controlfp_s(unsigned int *, unsigned int, unsigned int);