diff --git a/src/Marker.vala b/src/Marker.vala
index 5e82863..eb87ce2 100644
--- a/src/Marker.vala
+++ b/src/Marker.vala
@@ -23,7 +23,7 @@ namespace CairoChart {
 		/**
 		 * ``Marker`` shape.
 		 */
-		public Type type = Type.NONE;
+		public Type type;
 
 		/**
 		 * ``Marker`` size.