diff --git a/qutebrowser/commands/command.py b/qutebrowser/commands/command.py
index 08656077d..4c6a9d7df 100644
--- a/qutebrowser/commands/command.py
+++ b/qutebrowser/commands/command.py
@@ -320,7 +320,7 @@ class Command:
             args.append(long_flag)
             args.append(short_flag)
             self.opt_args[param.name] = long_flag, short_flag
-            if param.kind == inspect.Parameter.KEYWORD_ONLY:
+            if typ is not bool:
                 self.flags_with_args.append(param.name)
         else:
             args.append(name)