diff --git a/buffet/commands/schema_constants.cc b/buffet/commands/schema_constants.cc
index d1677c0..90c9faa 100644
--- a/buffet/commands/schema_constants.cc
+++ b/buffet/commands/schema_constants.cc
@@ -21,6 +21,7 @@
 const char kUnknownProperty[] = "unexpected_parameter";
 const char kInvalidObjectSchema[] = "invalid_object_schema";
 const char kDuplicateCommandDef[] = "duplicate_command_definition";
+const char kInvalidCommandName[] = "invalid_command_name";
 }  // namespace commands
 }  // namespace errors