diff --git a/line.c b/line.c
index 172c9cd..041819e 100644
--- a/line.c
+++ b/line.c
@@ -613,7 +613,7 @@ void kdelete(void)
 
 		/* and reset all the kill buffer pointers */
 		kbufh = kbufp = NULL;
-		kused = KBLOCK;
+		kused = 0;
 	}
 }
 
diff --git a/utf8.c b/utf8.c
index 3bffd1e..a52d3c9 100644
--- a/utf8.c
+++ b/utf8.c
@@ -90,7 +90,7 @@ unsigned unicode_to_utf8(unsigned int c, char *utf8)
 			bytes++;
 			prefix >>= 1;
 			c >>= 6;
-		} while (c > prefix);
+		} while (c >= prefix);
 		*p = c - 2*prefix;
 		reverse_string(utf8, p);
 	}