diff -r c766c423dee6 -r fa8b745be7b5 ucx/string.c
--- a/ucx/string.c	Thu Oct 22 11:35:40 2015 +0200
+++ b/ucx/string.c	Mon Oct 26 14:09:45 2015 +0100
@@ -216,7 +216,7 @@
                 for (size_t j = 0 ; j < d.length ; j++) {
                     sv.ptr[i+j] = 0;
                 }
-                i += d.length;
+                i += d.length - 1; // -1, because the loop will do a i++
             }
         }
         if ((*n) == nmax) break;