1 files changed, 2 insertions, 1 deletions

diff --git a/lib/python/qmk/cli/json2c.py b/lib/python/qmk/cli/json2c.py
index 5a2fb96c7..a90578c02 100755
--- a/lib/python/qmk/cli/json2c.py
+++ b/lib/python/qmk/cli/json2c.py
@@ -2,6 +2,7 @@
 """
 import json
 
+from argcomplete.completers import FilesCompleter
 from milc import cli
 
 import qmk.keymap
@@ -10,7 +11,7 @@ import qmk.path
 
 @cli.argument('-o', '--output', arg_only=True, type=qmk.path.normpath, help='File to write to')
 @cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
-@cli.argument('filename', type=qmk.path.FileType('r'), arg_only=True, help='Configurator JSON file')
+@cli.argument('filename', type=qmk.path.FileType('r'), arg_only=True, completer=FilesCompleter('.json'), help='Configurator JSON file')
 @cli.subcommand('Creates a keymap.c from a QMK Configurator export.')
 def json2c(cli):
     """Generate a keymap.c from a configurator export.