diff --git a/packetdemod.py b/packetdemod.py
index 1825c64..bdaf828 100644
--- a/packetdemod.py
+++ b/packetdemod.py
@@ -126,7 +126,7 @@ def parsepacket(bits):
         invalid_packets += 1
         return
     syncword = (ord(bytes[0])<<8) + ord(bytes[1])
-    if(syncword != 0x2d21):
+    if(syncword != 0x2dd4):
         print("Invalid packet")
         invalid_packets += 1
         return
@@ -192,7 +192,7 @@ def decode(values = []):
 
     # Align to sync word for beginning of packet
     for i in range(1,50):
-        syncword = [0,0,1,0,1,1,0,1,0,0,1,0,0,0,0,1]
+        syncword = [0,0,1,0,1,1,0,1,1,1,0,1,0,1,0,0]
         tmpbits = bits[i:]
         if(cmp(syncword,tmpbits[:16].tolist()) == 0):
             bits = bits[i:]
diff --git a/radio.py b/radio.py
index df67922..25e366f 100644
--- a/radio.py
+++ b/radio.py
@@ -81,7 +81,7 @@ def parsepacket(bits):
         invalid_packets += 1
         return
     syncword = (ord(bytes[0])<<8) + ord(bytes[1])
-    if(syncword != 0x2d21):
+    if(syncword != 0x2dd4):
         print("Invalid packet")
         invalid_packets += 1
         return
@@ -147,7 +147,7 @@ def decode(values = []):
 
     # Align to sync word for beginning of packet
     for i in range(1,50):
-        syncword = [0,0,1,0,1,1,0,1,0,0,1,0,0,0,0,1]
+        syncword = [0,0,1,0,1,1,0,1,1,1,0,1,0,1,0,0]
         tmpbits = bits[i:]
         if(cmp(syncword,tmpbits[:16].tolist()) == 0):
             bits = bits[i:]