diff --git a/lib/jkqtplotter/graphs/jkqtplines.cpp b/lib/jkqtplotter/graphs/jkqtplines.cpp
index 96fc337472..b245762d62 100644
--- a/lib/jkqtplotter/graphs/jkqtplines.cpp
+++ b/lib/jkqtplotter/graphs/jkqtplines.cpp
@@ -125,7 +125,7 @@ void JKQTPXYLineGraph::draw(JKQTPEnhancedPainter& painter) {
                 //qDebug()<<"JKQTPXYLineGraph::draw(): vec_linesP.size()=="<<vec_linesP.size();
 
                 QList<QPolygonF> linesToDraw;
-                if (getUseNonvisibleLineCompression()) linesToDraw=JKQTPClipPolyLines(JKQTPSimplifyPolyLines(vec_linesP, p.widthF()*getNonvisibleLineCompressionAgressiveness()), cliprect);
+                if (getUseNonvisibleLineCompression()) linesToDraw=JKQTPClipPolyLines(JKQTPSimplifyPolyLines(vec_linesP, getNonvisibleLineCompressionAgressiveness()), cliprect);
                 else linesToDraw=JKQTPClipPolyLines(vec_linesP, cliprect);
                 //qDebug()<<"JKQTPXYLineGraph::draw(): linesToDraw.size()=="<<linesToDraw.size()<<", clip: x="<<xmin<<".."<<xmax<<", y="<<ymin<<".."<<ymax;
                 for (const auto &linesP : linesToDraw) {
diff --git a/lib/jkqtplotter/graphs/jkqtpspecialline.cpp b/lib/jkqtplotter/graphs/jkqtpspecialline.cpp
index 136cfb045d..e3d2a80760 100644
--- a/lib/jkqtplotter/graphs/jkqtpspecialline.cpp
+++ b/lib/jkqtplotter/graphs/jkqtpspecialline.cpp
@@ -268,7 +268,7 @@ void JKQTPSpecialLineHorizontalGraph::draw(JKQTPEnhancedPainter& painter) {
 
         QList<QPolygonF> pl_fordrawing;
         if (isHighlighted() || getDrawLine()) {
-            if (getUseNonvisibleLineCompression()) pl_fordrawing=JKQTPClipPolyLine(JKQTPSimplifyPolyLines(pl, p.widthF()*getNonvisibleLineCompressionAgressiveness()), cliprect);
+            if (getUseNonvisibleLineCompression()) pl_fordrawing=JKQTPClipPolyLine(JKQTPSimplifyPolyLines(pl, getNonvisibleLineCompressionAgressiveness()), cliprect);
             else pl_fordrawing=JKQTPClipPolyLine(pl, cliprect);
         }
 
@@ -456,7 +456,7 @@ void JKQTPSpecialLineVerticalGraph::draw(JKQTPEnhancedPainter& painter) {
 
         QList<QPolygonF> pl_fordrawing;
         if (isHighlighted() || getDrawLine()) {
-            if (getUseNonvisibleLineCompression()) pl_fordrawing=JKQTPClipPolyLine(JKQTPSimplifyPolyLines(pl, p.widthF()*getNonvisibleLineCompressionAgressiveness()), cliprect);
+            if (getUseNonvisibleLineCompression()) pl_fordrawing=JKQTPClipPolyLine(JKQTPSimplifyPolyLines(pl, getNonvisibleLineCompressionAgressiveness()), cliprect);
             else pl_fordrawing=JKQTPClipPolyLine(pl, cliprect);
         }
 
diff --git a/lib/jkqtplotter/jkqtpgraphsbasestylingmixins.cpp b/lib/jkqtplotter/jkqtpgraphsbasestylingmixins.cpp
index 6a0a8ac28b..e0da420c6e 100644
--- a/lib/jkqtplotter/jkqtpgraphsbasestylingmixins.cpp
+++ b/lib/jkqtplotter/jkqtpgraphsbasestylingmixins.cpp
@@ -163,7 +163,7 @@ QPen JKQTPGraphLineStyleMixin::getLinePenForRects(JKQTPEnhancedPainter &painter,
 
 
 JKQTPGraphLinesCompressionMixin::JKQTPGraphLinesCompressionMixin():
-    m_useNonvisibleLineCompression(true),
+    m_useNonvisibleLineCompression(false),
     m_nonvisibleLineCompressionAgressiveness(1)
 {