diff --git a/src/ldaptool/decode/_decoder.py b/src/ldaptool/decode/_decoder.py
index 3027f44..43e4212 100644
--- a/src/ldaptool/decode/_decoder.py
+++ b/src/ldaptool/decode/_decoder.py
@@ -199,13 +199,19 @@ class Decoder:
         return decoded_entry
 
     def human(self, *, dn: str, obj: TDecoded) -> dict[str, str]:
+        emit: dict[str, typing.Any] = dict(dn=dn)
+        for name, attrs in obj.items():
+            emit[name] = self.arguments.human_separator.join(attr.human() for attr in attrs)
+        return emit
+
+    def simple_json(self, *, dn: str, obj: TDecoded) -> dict[str, str]:
         emit: dict[str, typing.Any] = dict(dn=dn)
         for name, attrs in obj.items():
             emit[name] = [attr.human() for attr in attrs]
         return emit
 
     def emit_simple_json(self, *, dn: str, obj: TDecoded, file: typing.IO[str] = sys.stdout) -> None:
-        emit = self.human(dn=dn, obj=obj)
+        emit = self.simple_json(dn=dn, obj=obj)
         json.dump(emit, file, ensure_ascii=False)
         print(file=file)  # terminate output dicts by newline