diff --git a/tools/cabana/chartswidget.cc b/tools/cabana/chartswidget.cc
index 4faca8314b..8debb75153 100644
--- a/tools/cabana/chartswidget.cc
+++ b/tools/cabana/chartswidget.cc
@@ -525,7 +525,7 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even
         s.vals.clear();
         s.vals.reserve(settings.max_cached_minutes * 60 * 100);  // [n]seconds * 100hz
         s.last_value_mono_time = 0;
-        s.series->setColor(getColor(sig));
+        s.series->setColor(getColor(s.sig));
       }
 
       struct Chunk {