diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh
index 58e5328a5..40740d545 100644
--- a/src/libstore/derivations.hh
+++ b/src/libstore/derivations.hh
@@ -298,6 +298,10 @@ struct BasicDerivation
     std::string name;
 
     BasicDerivation() = default;
+    BasicDerivation(BasicDerivation &&) = default;
+    BasicDerivation(const BasicDerivation &) = default;
+    BasicDerivation& operator=(BasicDerivation &&) = default;
+    BasicDerivation& operator=(const BasicDerivation &) = default;
     virtual ~BasicDerivation() { };
 
     bool isBuiltin() const;