diff --git a/slsReceiverSoftware/src/slsReceiverTCPIPInterface.cpp b/slsReceiverSoftware/src/slsReceiverTCPIPInterface.cpp
index ea0336895..17ff75764 100644
--- a/slsReceiverSoftware/src/slsReceiverTCPIPInterface.cpp
+++ b/slsReceiverSoftware/src/slsReceiverTCPIPInterface.cpp
@@ -1630,11 +1630,12 @@ int	slsReceiverTCPIPInterface::eiger_read_frame(){
 			int linesperpacket = (16*1/dynamicrange);// 16:1 line, 8:2 lines, 4:4 lines, 32: 0.5
 			int numbytesperlineperport=(EIGER_PIXELS_IN_ONE_ROW/EIGER_MAX_PORTS)*dynamicrange/8;//16:1024,8:512,4:256,32:2048
 			int datapacketlength = EIGER_ONE_GIGA_ONE_DATA_SIZE;
-			int total_num_bytes = 1040*(16*dynamicrange)*2;
+			int total_num_bytes = EIGER_ONE_GIGA_ONE_PACKET_SIZE *(EIGER_ONE_GIGA_CONSTANT *dynamicrange)*2;
 
 			if(tenGigaEnable){
 				linesperpacket = (16*4/dynamicrange);// 16:4 line, 8:8 lines, 4:16 lines, 32: 2
 				datapacketlength = EIGER_TEN_GIGA_ONE_DATA_SIZE;
+				total_num_bytes = EIGER_TEN_GIGA_ONE_PACKET_SIZE*(EIGER_TEN_GIGA_CONSTANT*dynamicrange)*2;
 			}
 			//if 1GbE, one line is split into two packets for 32 bit mode, so its special
 			else if(dynamicrange == 32){