--- /tmp/abook-0.5.1/filter.c	2003-11-20 14:58:34.000000000 +0200
+++ filter.c	2004-01-22 13:47:31.000000000 +0200
@@ -646,7 +646,7 @@
 	}
 
 	strncpy(*alias, tmp, ptr - tmp - 1);
-	*(*alias + (ptr - tmp)) = 0;
+	*(*alias + (ptr - tmp - 1)) = 0;
 
 	while(ISSPACE(*ptr))
 		ptr++;