1 files changed, 2 insertions, 1 deletions
diff --git a/tests/tget_flt.c b/tests/tget_flt.c
index 0ebba8c32..f63c406bf 100644
--- a/tests/tget_flt.c
+++ b/tests/tget_flt.c
@@ -54,9 +54,10 @@ main (void)
 #if !defined(MPFR_ERRDIVZERO)
   mpfr_set_nan (x);
   f = mpfr_get_flt (x, MPFR_RNDN);
-  if (f == f)
+  if (! DOUBLE_ISNAN (f))
     {
       printf ("Error for mpfr_get_flt(NaN)\n");
+      printf ("got f=%f\n", f);
       exit (1);
     }
   mpfr_set_flt (x, f, MPFR_RNDN);