diff --git a/slsReceiverSoftware/include/GeneralData.h b/slsReceiverSoftware/include/GeneralData.h
index a09f6aeef..4b4fd3f31 100644
--- a/slsReceiverSoftware/include/GeneralData.h
+++ b/slsReceiverSoftware/include/GeneralData.h
@@ -417,7 +417,7 @@ class JungfrauData : public GeneralData {
 	JungfrauData(){
 		myDetectorType		= slsReceiverDefs::JUNGFRAU;
 		nPixelsX 			= (256*4);
-		nPixelsY 			= 256;
+		nPixelsY 			= 512;
 		emptyHeader			= 6;
 		headerSizeinPacket  = emptyHeader + sizeof(slsReceiverDefs::sls_detector_header);
 		dataSize 			= 8192;