--- a/src/fslview/slicewidget.cpp
+++ b/src/fslview/slicewidget.cpp
@@ -1414,7 +1414,6 @@
 				{
 					xVec = int(vR->value(x, y, m_slice)*( 255.0/info->inqXDim() )*minDimension);
 					yVec = int(vG->value(x, y, m_slice)*( 255.0/info->inqYDim() )*minDimension);
-					if(!info->isStoredRadiological()) xVec = -xVec;
 					if(xVec != 0 || yVec != 0)
 					{
 						if( i->inqDtiDisplay() == DtiDisplay(LinesRGB) )
@@ -1462,7 +1461,6 @@
 				{
 					xVec = int(vR->value(x, m_slice, z)*( 255.0/info->inqXDim() )*minDimension);
 					zVec = int(vB->value(x, m_slice, z)*( 255.0/info->inqZDim() )*minDimension);
-					if(!info->isStoredRadiological()) xVec = -xVec;
 					if(xVec != 0 || zVec != 0)
 					{
 						if( i->inqDtiDisplay() == DtiDisplay(LinesRGB) )
