diff --git a/wled00/e131.cpp b/wled00/e131.cpp
index bf37fa4e..b332aa0b 100644
--- a/wled00/e131.cpp
+++ b/wled00/e131.cpp
@@ -18,10 +18,16 @@ void handleDDPPacket(e131_packet_t* p) {
   // reject unsupported color data types (only RGB and RGBW are supported)
   // WLEDMM allow legacy "undefined" datatype, and legacy (but wrong) datatype=0x01
   if ( p->dataType != 0 && p->dataType != 0x01 &&
-       p->dataType != DDP_TYPE_RGB24 && p->dataType != DDP_TYPE_RGBW32) return;
+       p->dataType != DDP_TYPE_RGB24 && p->dataType != DDP_TYPE_RGBW32) {
+    DEBUG_PRINTF("handleDDPPacket(); unsupported datatype 0x%02x\n", p->dataType);
+    return;
+  }
 
   // reject status and config packets (not implemented)
-  if (p->destination == DDP_ID_STATUS || p->destination == DDP_ID_CONFIG) return;
+  if (p->destination == DDP_ID_STATUS || p->destination == DDP_ID_CONFIG) {
+    DEBUG_PRINTF("handleDDPPacket(): unsupported destination 0x%02x\n", p->destination);
+    return;
+  }
 
   //reject late packets belonging to previous frame (assuming 4 packets max. before push)
 #if 0  // WLEDMM fixme - we definitely have more than 5-10 packets per frame !!!
@@ -98,6 +104,7 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
   uint8_t seq = 0, mde = REALTIME_MODE_E131;
 
   if (!receiveDirect) { exitRealtime(); return; } // WLEDMM kill switch
+  if (p == nullptr) return; // WLEDMM should not happen
 
   if (protocol == P_ARTNET)
   {