diff --git a/src/lib/evas/canvas/evas_3d_material.eo b/src/lib/evas/canvas/evas_3d_material.eo
index cd275099b0..590ab960b0 100644
--- a/src/lib/evas/canvas/evas_3d_material.eo
+++ b/src/lib/evas/canvas/evas_3d_material.eo
@@ -140,7 +140,7 @@ class Evas_3D_Material (Evas_3D_Object, Evas_Common_Interface)
          }
 
          keys {
-            @in Evas_3D_Material_Attrib attrib; /*@ Material attribute ID. */
+            Evas_3D_Material_Attrib attrib; /*@ Material attribute ID. */
          }
          values {
             Evas_3D_Texture *texture;