diff --git a/sway/commands/output/transform.c b/sway/commands/output/transform.c
index 2a3d1d4b..5e6efb5b 100644
--- a/sway/commands/output/transform.c
+++ b/sway/commands/output/transform.c
@@ -50,6 +50,10 @@ struct cmd_results *output_cmd_transform(int argc, char **argv) {
 		return cmd_results_new(CMD_INVALID, "Invalid output transform.");
 	}
 
+	// Sway uses clockwise transforms, while WL_OUTPUT_TRANSFORM_* describe
+	// anti-clockwise transforms
+	transform = invert_rotation_direction(transform);
+
 	struct output_config *output = config->handler_context.output_config;
 	config->handler_context.leftovers.argc = argc - 1;
 	config->handler_context.leftovers.argv = argv + 1;