diff --git a/src/ev_epoll.c b/src/ev_epoll.c
index f35e1c2..970c0fe 100644
--- a/src/ev_epoll.c
+++ b/src/ev_epoll.c
@@ -204,8 +204,10 @@
 			continue;
 		}
 
-		if (!(fdtab[fd].update_mask & ti->ltid_bit))
+		if (!(fdtab[fd].update_mask & ti->ltid_bit)) {
+			fd_drop_tgid(fd);
 			continue;
+		}
 
 		done_update_polling(fd);
 
diff --git a/src/ev_evports.c b/src/ev_evports.c
index 19d572c..2530b39 100644
--- a/src/ev_evports.c
+++ b/src/ev_evports.c
@@ -160,8 +160,10 @@
 			continue;
 		}
 
-		if (!(fdtab[fd].update_mask & ti->ltid_bit))
+		if (!(fdtab[fd].update_mask & ti->ltid_bit)) {
+			fd_drop_tgid(fd);
 			continue;
+		}
 
 		done_update_polling(fd);
 
diff --git a/src/ev_kqueue.c b/src/ev_kqueue.c
index 3d555ec..3c8787f 100644
--- a/src/ev_kqueue.c
+++ b/src/ev_kqueue.c
@@ -134,8 +134,10 @@
 			continue;
 		}
 
-		if (!(fdtab[fd].update_mask & ti->ltid_bit))
+		if (!(fdtab[fd].update_mask & ti->ltid_bit)) {
+			fd_drop_tgid(fd);
 			continue;
+		}
 
 		done_update_polling(fd);