diff --git a/Python/sock.py b/Python/sock.py
index 256063d..d0d0d16 100644
--- a/Python/sock.py
+++ b/Python/sock.py
@@ -59,7 +59,7 @@ DMXBRK = 8.0				# 8µs (min) to 1s (max)
 DMXSLP = 5000.0 #250.0				# 0µs (min) to 1s (max)
 
 # Buffer for RDM
-DMXRDM = 0
+DMXRDM = "<initial>"
 DMXRDMFLAG = False				# 1 for radlines() is active to buffer rdm packages
 
 
@@ -137,7 +137,7 @@ def sendDMX(data):
 
 			time.sleep(2)
 			#-----------------------------------------------------------------------DMXSER.timeout(DMXSLP / 1000.0) # between 0 - 1 sec
-			DMXRDM = DMXSER.readline()
+			DMXRDM = DMXSER.read(size=10)
 			print("input", DMXRDM)
 			DMXRDMFLAG = True