checked by -std=c89
diff --git a/skeletons/REAL.c b/skeletons/REAL.c
index 56eaf04..6ea5201 100644
--- a/skeletons/REAL.c
+++ b/skeletons/REAL.c
@@ -867,7 +867,10 @@
         -4503599627370496.0, 4503599627370496.0,
         /* 2^100 */
         -1267650600228229401496703205376.0, 1267650600228229401496703205376.0,
-        -MAXFLOAT, MAXFLOAT, INFINITY, -INFINITY, NAN};
+#if __STDC_VERSION__ >= 199901L
+        -MAXFLOAT, MAXFLOAT,
+#endif
+        INFINITY, -INFINITY, NAN};
     REAL_t *st;
     double d;