diff --git a/cogl/cogl-pipeline.c b/cogl/cogl-pipeline.c
index 7c38dca53..07cb3d114 100644
--- a/cogl/cogl-pipeline.c
+++ b/cogl/cogl-pipeline.c
@@ -366,6 +366,7 @@ _cogl_pipeline_copy (CoglPipeline *src, CoglBool is_weak)
   /* NB: real_blend_enable isn't a sparse property, it's valid for
    * every pipeline node so we have fast access to it. */
   pipeline->real_blend_enable = src->real_blend_enable;
+  pipeline->dirty_real_blend_enable = src->dirty_real_blend_enable;
 
   /* XXX:
    * consider generalizing the idea of "cached" properties. These