--- JSON-XS/XS.xs	2010/01/19 00:31:13	1.104
+++ JSON-XS/XS.xs	2010/01/19 01:07:27	1.105
@@ -251,8 +251,11 @@
         }
     }
 
+  // this relies greatly on the quality of the pow ()
+  // implementation of the platform, but a good
+  // implementation is hard to beat.
   if (postdp) *expo -= eaccum;
-  *accum += uaccum * pow (10., *expo);
+  *accum += uaccum * Perl_pow (10., *expo);
   *expo += eaccum;
 }