diff --git a/firmware/funk/mesh.c b/firmware/funk/mesh.c
index e69a798..da30c60 100644
--- a/firmware/funk/mesh.c
+++ b/firmware/funk/mesh.c
@@ -12,7 +12,7 @@ char meshincctr=0; // Generation
 MPKT meshbuffer[MESHBUFSIZE];
 
 uint32_t const meshkey[4] = {
-    0x00000000, 0x00000000, 0x00000000, 0x00000000
+    0x00000042, 0x000005ec, 0x00000023, 0x00000005
 };
 
 struct NRF_CFG oldconfig;
diff --git a/firmware/funk/nrf24l01p.c b/firmware/funk/nrf24l01p.c
index 8c3c464..383df03 100644
--- a/firmware/funk/nrf24l01p.c
+++ b/firmware/funk/nrf24l01p.c
@@ -153,13 +153,12 @@ int nrf_rcv_pkt_poll_dec(int maxsize, uint8_t * pkt, uint32_t const key[4]){
         return len;
 
     cmpcrc=crc16(pkt,len-2);
-    if(cmpcrc != (pkt[len-2] <<8 | pkt[len-1])) {
+    if(key!=NULL)
         xxtea_decode_words((uint32_t*)pkt,len/4,key);
 
-        cmpcrc=crc16(pkt,len-2);
-        if(cmpcrc != (pkt[len-2] <<8 | pkt[len-1])) {
-            return -3; // CRC failed
-        };
+    cmpcrc=crc16(pkt,len-2);
+    if(cmpcrc != (pkt[len-2] <<8 | pkt[len-1])) {
+        return -3; // CRC failed
     };
     return len;
 };