diff --git a/src/GUI/graphview.cpp b/src/GUI/graphview.cpp
index 3b51c13c..ded23632 100644
--- a/src/GUI/graphview.cpp
+++ b/src/GUI/graphview.cpp
@@ -445,8 +445,8 @@ void GraphView::updateSliderInfo()
 	  'f', _precision) + UNIT_SPACE + _yUnits);
 	if (cardinal && cardinal->secondaryGraph()) {
 		qreal delta = y - cardinal->secondaryGraph()->yAtX(_sliderPos);
-		yText += " \u0394" + l.toString(-delta * _yScale + _yOffset, 'f',
-		  _precision) + UNIT_SPACE + _yUnits;
+		yText += " " + QChar(0x0394) + l.toString(-delta * _yScale + _yOffset,
+		  'f', _precision) + UNIT_SPACE + _yUnits;
 	}
 	_sliderInfo->setText(xText, yText);
 }