diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c
index e41bf5029c9aebbab1b650350a0597e02a28dc20..e3304b75a3ba63491a4cf4838b4420287db28d13 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_linux.c
@@ -1527,7 +1527,7 @@ static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
       pi_new = polling_island_create(fd, &error);
 
       GRPC_POLLING_TRACE(
-          "pollset_add_fd: Created new polling island. pi_new:%p (fd: %d, "
+          "pollset_add_fd: Created new polling island. pi_new: %p (fd: %d, "
           "pollset: %p)",
           (void *)pi_new, fd->fd, (void *)pollset);
     }