diff --git a/src/handlers.c b/src/handlers.c
index 91872e4b..7613110c 100644
--- a/src/handlers.c
+++ b/src/handlers.c
@@ -421,6 +421,7 @@ int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure
  *
  */
 int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
+    DLOG("configure_event, sequence %d\n", event->sequence);
         /* We ignore this sequence twice because events for child and frame should be ignored */
         add_ignore_event(event->sequence);
         add_ignore_event(event->sequence);
diff --git a/src/manage.c b/src/manage.c
index 4305abd1..5f5bb44c 100644
--- a/src/manage.c
+++ b/src/manage.c
@@ -111,7 +111,7 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
 
     /* Check if the window is already managed */
     if (con_by_window_id(window) != NULL) {
-        LOG("already managed\n");
+        LOG("already managed (by con %p)\n", con_by_window_id(window));
         goto out;
     }
 
diff --git a/src/tree.c b/src/tree.c
index c4315e31..048fd549 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -147,7 +147,7 @@ void tree_close(Con *con, bool kill_window) {
             next = con->parent;
     }
 
-    LOG("closing %p\n", con);
+    DLOG("closing %p, kill_window = %d\n", con, kill_window);
     Con *child;
     /* We cannot use TAILQ_FOREACH because the children get deleted
      * in their parent’s nodes_head */