diff --git a/src/CommunicationManager.cpp b/src/CommunicationManager.cpp
index 708b40f..9b865fe 100644
--- a/src/CommunicationManager.cpp
+++ b/src/CommunicationManager.cpp
@@ -559,8 +559,11 @@ inline void CommunicationManager::Send_Mavlink_Message_Callback(
 				number++;
 				cnt=0;
 				frame = "";
+				std::cout << "Total chunks:" <<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;
 				std::cout << "Sent header" <<header_16[0]<<"  "<<header_16[1]<<"  "<<header_16[2]<<"  "<<header_16[3]<<"  "<< std::endl;
 				memset(temporary_buffer, 0, MAX_BUFFER_SIZE);
 				converted_bytes = sprintf(
@@ -575,7 +578,7 @@ inline void CommunicationManager::Send_Mavlink_Message_Callback(
 		Generate_Transmit_Request_Frame(temporary_buffer, &frame);
 				serial_device_.Send_Frame(frame);
 		}
-		delete[] header_16;
+		
 	//}
 }