diff --git a/packages/diagram_capture/test/diagram_capture_test.dart b/packages/diagram_capture/test/diagram_capture_test.dart
index b4e85325..804556e1 100644
--- a/packages/diagram_capture/test/diagram_capture_test.dart
+++ b/packages/diagram_capture/test/diagram_capture_test.dart
@@ -219,7 +219,7 @@ void main() {
 Widget buildStaticDiagram(BuildContext context) {
   return Container(
     constraints: BoxConstraints.tight(const Size(100.0, 50.0)),
-    color: Color(0xfeedbeef),
+    color: const Color(0xfeedbeef),
   );
 }