diff --git a/src/CommunicationManager.cpp b/src/CommunicationManager.cpp
index 80b0c84..587c4cd 100644
--- a/src/CommunicationManager.cpp
+++ b/src/CommunicationManager.cpp
@@ -562,9 +562,9 @@ inline void CommunicationManager::Send_Mavlink_Message_Callback(
 				std::cout << "checksum:" <<total << std::endl;
 				header=0;
 				header = 0 | ((uint64_t)check_sum << 16) | ((uint64_t)number << 32) |((uint64_t) total << 48) ;
-				header_16 = u64_cvt_u16(header);
-				delete[] header_16;
+				header_16 = u64_cvt_u16(header);				
 				std::cout << "Sent header" <<header_16[0]<<"  "<<header_16[1]<<"  "<<header_16[2]<<"  "<<header_16[3]<<"  "<< std::endl;
+				delete[] header_16;
 				memset(temporary_buffer, 0, MAX_BUFFER_SIZE);
 				converted_bytes = sprintf(
 						temporary_buffer, "%" PRIu64 " ",