diff --git a/include/ui/specieschartview.h b/include/ui/specieschartview.h
index 0c01affd..2dc35f44 100644
--- a/include/ui/specieschartview.h
+++ b/include/ui/specieschartview.h
@@ -3,6 +3,7 @@
 
 #if __has_include(<QtCharts>)
 #include <QtCharts/QChartView>
+QT_CHARTS_USE_NAMESPACE
 
 class Project;