diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c
index f112c6c673..741af09f90 100644
--- a/target/i386/tcg/fpu_helper.c
+++ b/target/i386/tcg/fpu_helper.c
@@ -1832,7 +1832,7 @@ void helper_fxtract(CPUX86State *env)
     } else if (floatx80_is_infinity(ST0)) {
         fpush(env);
         ST0 = ST1;
-        ST1 = floatx80_infinity;
+        ST1 = floatx80_default_inf(0, &env->fp_status);
     } else {
         int expdif;
 
@@ -2358,9 +2358,8 @@ void helper_fscale(CPUX86State *env)
                 float_raise(float_flag_invalid, &env->fp_status);
                 ST0 = floatx80_default_nan(&env->fp_status);
             } else {
-                ST0 = (floatx80_is_neg(ST0) ?
-                       floatx80_chs(floatx80_infinity) :
-                       floatx80_infinity);
+                ST0 = floatx80_default_inf(floatx80_is_neg(ST0),
+                                           &env->fp_status);
             }
         }
     } else {