diff --git a/1-BISS/pd.py b/1-BISS/pd.py
index 6b7552c..9fb1920 100644
--- a/1-BISS/pd.py
+++ b/1-BISS/pd.py
@@ -185,7 +185,7 @@ class Decoder(srd.Decoder):
             self.put(bit[1], bit[2], self.out_ann, [0, ['%d' % bit[0]]])
 
 
-        self.put(self.ss, self.es, self.out_ann, [8, ['%d' % d]])
+        self.put(self.ss, self.es, self.out_ann, [8, ['{$}', d]])
         self.putx([proto[cmd][0], proto[cmd][1:]])
         # Done with this packet.
         self.bitcount = self.databyte = 0