diff --git a/bzz/protocol.go b/bzz/protocol.go
index d29ffa808c..d731beb2fa 100644
--- a/bzz/protocol.go
+++ b/bzz/protocol.go
@@ -209,6 +209,9 @@ func (self *bzzProtocol) handle() error {
 			return self.protoError(ErrDecode, "->msg %v: %v", msg, err)
 		}
 		dpaLogger.Warnf("Request message: %#v", req)
+		if req.Key == nil {
+			return self.protoError(ErrDecode, "protocol handler: req.Key == nil")
+		}
 		req.peer = peer{bzzProtocol: self}
 		self.netStore.addRetrieveRequest(&req)
 
diff --git a/eth/backend.go b/eth/backend.go
index 0e51f3a277..a03aaabacc 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -19,7 +19,7 @@ import (
 )
 
 const (
-	seedNodeAddress = "10.0.1.41:30303"
+	seedNodeAddress = "10.0.2.41:30303"
 )
 
 type Config struct {