diff --git a/tuner.c b/tuner.c
index 5014d2a..b484d00 100644
--- a/tuner.c
+++ b/tuner.c
@@ -18,7 +18,7 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
   deviceIdM(deviceP.GetId()),
   rtspM(*this),
   rtpM(*this, packetLenP),
-  rtcpM(*this, 1500),
+  rtcpM(*this, eApplicationMaxSizeB),
   streamAddrM(""),
   streamParamM(""),
   currentServerM(NULL),
diff --git a/tuner.h b/tuner.h
index f08c7d1..a874b03 100644
--- a/tuner.h
+++ b/tuner.h
@@ -51,6 +51,7 @@ private:
     eDummyPid               = 100,
     eDefaultSignalStrength  = 15,
     eDefaultSignalQuality   = 224,
+    eApplicationMaxSizeB    = 1500,
     eStatusUpdateTimeoutMs  = 1000,  // in milliseconds
     ePidUpdateIntervalMs    = 250,   // in milliseconds
     eConnectTimeoutMs       = 5000,  // in milliseconds