diff --git a/sway/meson.build b/sway/meson.build
index 72347d51c..aa2befc7f 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -41,6 +41,7 @@ sway_sources = files(
 	'commands/font.c',
 	'commands/for_window.c',
 	'commands/fullscreen.c',
+	'commands/gaps.c',
 	'commands/hide_edge_borders.c',
 	'commands/kill.c',
 	'commands/mark.c',
@@ -61,6 +62,7 @@ sway_sources = files(
 	'commands/seat/fallback.c',
 	'commands/set.c',
 	'commands/show_marks.c',
+	'commands/smart_gaps.c',
 	'commands/split.c',
 	'commands/swaybg_command.c',
 	'commands/title_format.c',