diff --git a/src/stty.c b/src/stty.c
index 1a5c1e962..29f78375a 100644
--- a/src/stty.c
+++ b/src/stty.c
@@ -1089,11 +1089,11 @@ apply_settings (bool checking, const char *device_name,
                 struct termios *mode, bool *speed_was_set,
                 bool *require_set_attr)
 {
-#define check_argument(arg) \
-  if (k == n_settings - 1 || ! settings[k+1]) \
-    { \
-      error (0, 0, _("missing argument to %s"), quote (arg)); \
-      usage (EXIT_FAILURE); \
+#define check_argument(arg)						\
+  if (k == n_settings - 1 || ! settings[k+1])				\
+    {									\
+      error (0, 0, _("missing argument to %s"), quote (arg));		\
+      usage (EXIT_FAILURE);						\
     }

   for (int k = 1; k < n_settings; k++)