diff --git a/decoders/lpc/pd.py b/decoders/lpc/pd.py
index 2a88e304..6e846b7c 100644
--- a/decoders/lpc/pd.py
+++ b/decoders/lpc/pd.py
@@ -331,6 +331,7 @@ def decode(self):
             if not (self.oldlclk == 0 and lclk == 1):
                 self.oldlclk = lclk
                 continue
+            self.oldlclk = lclk
 
             # Store LAD[3:0] bit values (one nibble) in local variables.
             # Most (but not all) states need this.