1 files changed, 1 insertions, 1 deletions

diff --git a/sway/commands/output/mode.c b/sway/commands/output/mode.c
index daec6d44..ef56ae9e 100644
--- a/sway/commands/output/mode.c
+++ b/sway/commands/output/mode.c
@@ -36,11 +36,11 @@ struct cmd_results *output_cmd_mode(int argc, char **argv) {
                 }
         } else {
                 // Format is 1234 4321
+                argc--; argv++;
                 if (!argc) {
                         return cmd_results_new(CMD_INVALID, "output",
                                 "Missing mode argument (height).");
                 }
-                argc--; argv++;
                 output->height = strtol(*argv, &end, 10);
                 if (*end) {
                         return cmd_results_new(CMD_INVALID, "output",