--- src/xercesc/validators/datatype/ListDatatypeValidator.cpp	(revision 369441)
+++ src/xercesc/validators/datatype/ListDatatypeValidator.cpp	(revision 369442)
@@ -432,7 +432,7 @@
             }
 
             XMLString::catString(retBufPtr, itemCanRep);
-            retBufPtr = retBufPtr + itemLen + 1;
+            retBufPtr = retBufPtr + itemLen;
             *(retBufPtr++) = chSpace;
             *(retBufPtr) = chNull;
             toUse->deallocate(itemCanRep);