diff --git a/plugin/src/Caelestia/Internal/sparklineitem.cpp b/plugin/src/Caelestia/Internal/sparklineitem.cpp
index b4938d1d..5ffcc2f8 100644
--- a/plugin/src/Caelestia/Internal/sparklineitem.cpp
+++ b/plugin/src/Caelestia/Internal/sparklineitem.cpp
@@ -27,6 +27,9 @@ void SparklineItem::paint(QPainter* painter) {
 }
 
 void SparklineItem::drawLine(QPainter* painter, CircularBuffer* buffer, const QColor& color, qreal fillAlpha) {
+    if (m_historyLength < 2)
+        return;
+
     const qreal w = width();
     const qreal h = height();
     const int len = buffer->count();