diff --git a/src/Makefile_Ector.am b/src/Makefile_Ector.am
index 2327bc6b6c..dca175f53a 100644
--- a/src/Makefile_Ector.am
+++ b/src/Makefile_Ector.am
@@ -11,6 +11,7 @@ ector_eolian_files = \
 # Handle cairo backend
 ector_eolian_files += \
 	lib/ector/cairo/ector_cairo_surface.eo \
+	lib/ector/cairo/ector_renderer_cairo_base.eo \
 	lib/ector/cairo/ector_renderer_cairo_shape.eo \
 	lib/ector/cairo/ector_renderer_cairo_gradient_linear.eo \
 	lib/ector/cairo/ector_renderer_cairo_gradient_radial.eo
diff --git a/src/lib/ector/cairo/ector_renderer_cairo_base.eo b/src/lib/ector/cairo/ector_renderer_cairo_base.eo
new file mode 100644
index 0000000000..70757108ff
--- /dev/null
+++ b/src/lib/ector/cairo/ector_renderer_cairo_base.eo
@@ -0,0 +1,9 @@
+interface Ector.Renderer.Cairo.Base
+{
+   legacy_prefix: null;
+   methods {
+      fill {
+         return: bool;
+      }
+   }
+}