diff --git a/include/layout.h b/include/layout.h
index c05e9e69..e8238e20 100644
--- a/include/layout.h
+++ b/include/layout.h
@@ -48,6 +48,7 @@ void swap_container(swayc_t *a, swayc_t *b);
 // 2 Containers geometry are swapped, used with `swap_container`
 void swap_geometry(swayc_t *a, swayc_t *b);
 
+void move_floating_container(swayc_t *container, int dx, int dy);
 void move_container(swayc_t* container, enum movement_direction direction);
 void move_container_to(swayc_t* container, swayc_t* destination);
 void move_workspace_to(swayc_t* workspace, swayc_t* destination);
diff --git a/sway/layout.c b/sway/layout.c
index 3d746ebe..90ab0ba8 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -226,6 +226,15 @@ void swap_geometry(swayc_t *a, swayc_t *b) {
 	b->height = h;
 }
 
+void move_floating_container(swayc_t *container, int dx, int dy) {
+	if (!sway_assert(container->is_floating, "Container has to be floating")) {
+		return;
+	}
+	container->x += dx;
+	container->y += dy;
+	update_geometry(container);
+}
+
 void move_container(swayc_t *container, enum movement_direction dir) {
 	enum swayc_layouts layout;
 	if (container->is_floating