diff --git a/lib/spack/spack/database.py b/lib/spack/spack/database.py
index 9b7c944bc9e..a7d7f0035e0 100644
--- a/lib/spack/spack/database.py
+++ b/lib/spack/spack/database.py
@@ -205,7 +205,8 @@ def _read_spec_from_yaml(self, hash_key, installs, parent_key=None):
 
         # Install records don't include hash with spec, so we add it in here
         # to ensure it is read properly.
-        spec_dict['hash'] = hash_key
+        for name in spec_dict:
+            spec_dict[name]['hash'] = hash_key
 
         # Build spec from dict first.
         spec = Spec.from_node_dict(spec_dict)