diff --git a/src/ParamOutputImpl/Plot/PanelPlotOutput.cc b/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
index ef4608c..58c2815 100644
--- a/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
+++ b/src/ParamOutputImpl/Plot/PanelPlotOutput.cc
@@ -2342,6 +2342,7 @@ void PanelPlotOutput::drawSpectro(double /*startDate*/, double /*stopDate*/, std
 		else if(pSpectro.hasYAxis()){
 			// fill Y range (plplot window).
 			lYRange = lYAxis->getRange();
+                                                            fixRange(lYRange, lYAxis->_scale == Axis::Scale::LOGARITHMIC);
 		}
 
 		if (pSpectro.hasZAxis() && lZAxis.get() == nullptr) {
--
libgit2 0.21.2