diff --git a/call.cgi b/call.cgi
index 71da42c..fc0206b 100755
--- a/call.cgi
+++ b/call.cgi
@@ -31,7 +31,8 @@
         if prefix != "HSJ" and 151 <= ip[3] <= 150 + 49 or\
            prefix == "HSJ" and 151 <= ip[3] <= 150 + 63:  
             return "%s-%02d"  % (prefix, ip[3]-150)
-        if prefix != "HSJ" and 81 <= ip[3] <= 81 + 49:
+        if prefix != "HSJ" and 81 <= ip[3] <= 81 + 49 or\
+           prefix == "HSJ" and 81 <= ip[3] <= 81 + 63:  
             return "%s-%02d"  % (prefix, ip[3]-80)
         if 220 <= ip[3] <= 220 + 5:  
             return "%s-K%02d" % (prefix, ip[3]-220)