diff --git a/skeletons/GeneralizedTime.c b/skeletons/GeneralizedTime.c
index b2d0603..3f1c11d 100644
--- a/skeletons/GeneralizedTime.c
+++ b/skeletons/GeneralizedTime.c
@@ -666,13 +666,13 @@
 	 * Deal with fractions.
 	 */
 	if(frac_value > 0 && frac_digits > 0) {
-		char *end = p + 1 + 6;	/* '.' + maximum 6 digits */
+		char *end = p + 1 + 9;	/* '.' + maximum 9 digits */
 		char *z = p;
 		long fbase;
 		*z++ = '.';
 
 		/* Place bounds on precision */
-		while(frac_digits-- > 6)
+		while(frac_digits-- > 9)
 			frac_value /= 10;
 
 		/* emulate fbase = pow(10, frac_digits) */