diff --git a/Sources/SwiftUICharts/BarChart/BarChartView.swift b/Sources/SwiftUICharts/BarChart/BarChartView.swift
index c11a3363..541d8b5f 100644
--- a/Sources/SwiftUICharts/BarChart/BarChartView.swift
+++ b/Sources/SwiftUICharts/BarChart/BarChartView.swift
@@ -40,7 +40,7 @@ public struct BarChartView : View {
         self.style = style
         self.darkModeStyle = style.darkModeStyle != nil ? style.darkModeStyle! : Styles.barChartStyleOrangeDark
         self.formSize = form!
-        self.dropShadow = dropShadow
+        self.dropShadow = dropShadow!
         self.cornerImage = cornerImage!
         self.valueSpecifier = valueSpecifier!
     }