diff --git a/lib/spack/spack/stage.py b/lib/spack/spack/stage.py
index 9f2619f43e..e8239d27be 100644
--- a/lib/spack/spack/stage.py
+++ b/lib/spack/spack/stage.py
@@ -503,6 +503,8 @@ def destroy(self):
         # No need to destroy DIY stage.
         pass
 
+    def cache_local(self):
+        tty.msg("Sources for DIY stages are not cached")
 
 def _get_mirrors():
     """Get mirrors from spack configuration."""