diff --git a/src/cbor.zig b/src/cbor.zig
index efadaea..9e2b4cd 100644
--- a/src/cbor.zig
+++ b/src/cbor.zig
@@ -20,6 +20,7 @@ pub const Error = error{
     InvalidArrayType,
     InvalidPIntType,
     JsonIncompatibleType,
+    NotAnObject,
 };
 
 pub const JsonEncodeError = (Error || error{