diff --git a/dwl.c b/dwl.c
index 589b187..06db9f4 100644
--- a/dwl.c
+++ b/dwl.c
@@ -15,6 +15,7 @@
 #include <wlr/backend/libinput.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_alpha_modifier_v1.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_cursor_shape_v1.h>
@@ -2371,6 +2372,7 @@ setup(void)
 	wlr_single_pixel_buffer_manager_v1_create(dpy);
 	wlr_fractional_scale_manager_v1_create(dpy, 1);
 	wlr_presentation_create(dpy, backend);
+	wlr_alpha_modifier_v1_create(dpy);
 
 	/* Initializes the interface used to implement urgency hints */
 	activation = wlr_xdg_activation_v1_create(dpy);