diff --git a/src_io_utils/pistreampacker.cpp b/src_io_utils/pistreampacker.cpp
index 31f3edac..cea43749 100644
--- a/src_io_utils/pistreampacker.cpp
+++ b/src_io_utils/pistreampacker.cpp
@@ -95,7 +95,10 @@ void PIStreamPacker::received(const PIByteArray & data) {
 			if (packet.size_s() == packet_size) {
 				PIByteArray cd = decryptData(packet);
 				//piCout << "decrypt" << packet.size() << "->" << cd.size() << key().size();
-				if (!cd.isEmpty()) packetReceiveEvent(cd);
+				if (!cd.isEmpty()) {
+					packetReceived(cd);
+					packetReceiveEvent(cd);
+				}
 				packet.clear();
 				packet_size = -1;
 			}
diff --git a/src_main/io_utils/pistreampacker.h b/src_main/io_utils/pistreampacker.h
index 0ef8aae1..4fafaed6 100644
--- a/src_main/io_utils/pistreampacker.h
+++ b/src_main/io_utils/pistreampacker.h
@@ -86,6 +86,11 @@ public:
 
 	//! \}
 
+protected:
+
+	//! Packet successfully received, by default does nothing
+	virtual void packetReceived(PIByteArray data) {}
+
 private:
 	PIByteArray stream, packet;
 	int packet_size;