diff --git a/ChangeLog b/ChangeLog
index cbd8a34..6a52042 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,10 @@
 
-0.9.20:	2005-Nov-13
+0.9.20:	2005-Nov-27
 
 	* SET OF CHOICE, SEQUENCE OF CHOICE and a certain named S/O types
 	  are represented differently in XER. THIS IS AN ICOMPATIBLE CHANGE.
 	  (Test case 70) (Severity: low; Security impact: low)
-	* PER implementation has started
+	* PER implementation has begun
 	* asn1c: Removed -ftypes88 command line option.
 
 0.9.19:	2005-Oct-06
diff --git a/skeletons/INTEGER.c b/skeletons/INTEGER.c
index dbb1485..c43ac63 100644
--- a/skeletons/INTEGER.c
+++ b/skeletons/INTEGER.c
@@ -206,7 +206,7 @@
 	(void)td;
 	(void)ilevel;
 
-	if(!st && !st->buf)
+	if(!st || !st->buf)
 		ret = cb("<absent>", 8, app_key);
 	else
 		ret = INTEGER__dump(td, st, cb, app_key, 0);
@@ -426,7 +426,7 @@
 	(void)ilevel;
 	(void)flags;
 	
-	if(!st && !st->buf)
+	if(!st || !st->buf)
 		_ASN_ENCODE_FAILED;
 
 	er.encoded = INTEGER__dump(td, st, cb, app_key, 1);