diff --git a/libshvvisu/src/timeline/graph.cpp b/libshvvisu/src/timeline/graph.cpp
index 38c1025e2..15b66556e 100644
--- a/libshvvisu/src/timeline/graph.cpp
+++ b/libshvvisu/src/timeline/graph.cpp
@@ -1333,6 +1333,7 @@ void Graph::drawMiniMap(QPainter *painter)
 		for (int i : visible_channels) {
 			GraphChannel *ch = channelAt(i);
 			GraphChannel::Style ch_st = ch->m_effectiveStyle;
+			ch_st.setLineAreaStyle(GraphChannel::Style::LineAreaStyle::Blank);
 			DataRect drect{xRange(), ch->yRange()};
 			drawSamples(painter2, i, drect, mm_rect, ch_st);
 		}