diff --git a/python/knot_resolver/client/commands/config.py b/python/knot_resolver/client/commands/config.py
index 69f7edfa2..d13d24d95 100644
--- a/python/knot_resolver/client/commands/config.py
+++ b/python/knot_resolver/client/commands/config.py
@@ -148,6 +148,7 @@ def completion(args: List[str], parser: argparse.ArgumentParser) -> CompWords:
                         prefix += f"/{node}"
                         is_list = True
                         continue
+                    del words[COMP_NOSPACE]
                     break
                 if is_list and node.isnumeric():
                     prefix += f"/{node}"