diff --git a/include/math.h b/include/math.h
index c029156a..dc176012 100644
--- a/include/math.h
+++ b/include/math.h
@@ -91,20 +91,20 @@ int __signbitl(long double);
 static __inline int __is##rel(type __x, type __y) \
 { return !isunordered(__x,__y) && __x op __y; }
 
-__ISREL_DEF(lessf, <, float)
-__ISREL_DEF(less, <, double)
+__ISREL_DEF(lessf, <, float_t)
+__ISREL_DEF(less, <, double_t)
 __ISREL_DEF(lessl, <, long double)
-__ISREL_DEF(lessequalf, <=, float)
-__ISREL_DEF(lessequal, <=, double)
+__ISREL_DEF(lessequalf, <=, float_t)
+__ISREL_DEF(lessequal, <=, double_t)
 __ISREL_DEF(lessequall, <=, long double)
-__ISREL_DEF(lessgreaterf, !=, float)
-__ISREL_DEF(lessgreater, !=, double)
+__ISREL_DEF(lessgreaterf, !=, float_t)
+__ISREL_DEF(lessgreater, !=, double_t)
 __ISREL_DEF(lessgreaterl, !=, long double)
-__ISREL_DEF(greaterf, >, float)
-__ISREL_DEF(greater, >, double)
+__ISREL_DEF(greaterf, >, float_t)
+__ISREL_DEF(greater, >, double_t)
 __ISREL_DEF(greaterl, >, long double)
-__ISREL_DEF(greaterequalf, >=, float)
-__ISREL_DEF(greaterequal, >=, double)
+__ISREL_DEF(greaterequalf, >=, float_t)
+__ISREL_DEF(greaterequal, >=, double_t)
 __ISREL_DEF(greaterequall, >=, long double)
 
 #define __tg_pred_2(x, y, p) ( \