diff --git a/DESCRIPTION b/DESCRIPTION
index cb08edf..8ac4cd9 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: chex
 Title: Run Checks
-Version: 0.1.2
+Version: 0.1.3
 Authors@R: 
     person(given = "Shun",
            family = "Sambongi",
@@ -26,10 +26,11 @@ Suggests:
     logger,
     mockery,
     rmarkdown,
-    testthat
+    testthat,
+    withr
 VignetteBuilder: 
     knitr
 Encoding: UTF-8
 LazyData: true
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.1.0
+RoxygenNote: 7.1.1
diff --git a/NEWS.md b/NEWS.md
index f8c8f43..cf9d392 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+# chex 0.1.3
+
+* Hotfix: fix package log_appender
+
 # chex 0.1.2
 
 * Bugfix: logging ignores formatting and uses result descriptions as-is.
diff --git a/R/logging.R b/R/logging.R
index 3eacd7b..cf6e510 100755
--- a/R/logging.R
+++ b/R/logging.R
@@ -20,3 +20,19 @@ log_result <- function(result) {
   }
   invisible(result)
 }
+
+init_logging <- function() {
+  if (!requireNamespace("logger", quietly = TRUE)) {
+    return(invisible())
+  }
+
+  try(silent = TRUE, {
+    namespaces <- get(
+      "namespaces", envir = asNamespace("logger"), mode = "environment"
+    )
+    if (!exists("chex", namespaces)) {
+      logger::log_appender(identity, namespace = "chex")
+    }
+  })
+  invisible()
+}
diff --git a/R/zzz.R b/R/zzz.R
index c5e2cf6..93a7214 100755
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -1,5 +1,4 @@
 .onLoad <- function(...) {
-  logger::log_appender(identity, namespace = "chex")
+  init_logging()
   vctrs::s3_register("dplyr::filter", "chex_result")
 }
-
diff --git a/man/result.Rd b/man/result.Rd
index d7a2e64..1896a33 100755
--- a/man/result.Rd
+++ b/man/result.Rd
@@ -12,7 +12,7 @@ result(status, description)
 \item logical vector (\code{TRUE} / \code{FALSE})
 \item character vector (\code{"PASS"}, \code{"FAIL"}, etc.)
 \item \code{chex::PASS} or \code{chex::FAIL}
-\item value of \code{\link[chex:PASS]{chex::PASS()}} or \code{\link[chex:FAIL]{chex::FAIL()}}
+\item value of \code{\link[=PASS]{PASS()}} or \code{\link[=FAIL]{FAIL()}}
 }}
 
 \item{description}{the description of the result}
diff --git a/man/run_check.Rd b/man/run_check.Rd
index c45a472..4ce518b 100755
--- a/man/run_check.Rd
+++ b/man/run_check.Rd
@@ -18,7 +18,7 @@ fail value. There are a few types which are recognized as pass or fail.
 \itemize{
 \item logical values \code{TRUE} and \code{FALSE} which are recognized as pass and fail,
 respectively
-\item \code{chex::PASS} or the result of calling \code{\link[chex:PASS]{chex::PASS()}} with a reason
+\item \code{chex::PASS} or the result of calling \code{\link[=PASS]{PASS()}} with a reason
 \item likewise for \code{chex::FAIL}
 \item A result object created by \code{\link[=result]{result()}}
 }
diff --git a/tests/testthat/test-result.R b/tests/testthat/test-result.R
index 51283f2..04cf35a 100755
--- a/tests/testthat/test-result.R
+++ b/tests/testthat/test-result.R
@@ -86,7 +86,7 @@ test_that("equality works", {
 test_that("aggregation works", {
   len <- 20
   every <- result(rep(TRUE, len), NA)
-  some <- vec_assign(every, (1:len) <= 10, result(FALSE, NA))
+  some <- result(c(rep(TRUE, len / 2), rep(FALSE, len / 2)), NA)
   expect_length(every, len)
   expect_length(some, len)
   expect_true(any(every))
diff --git a/tests/testthat/test-status.R b/tests/testthat/test-status.R
index c281f00..7e78866 100755
--- a/tests/testthat/test-status.R
+++ b/tests/testthat/test-status.R
@@ -60,7 +60,7 @@ test_that("equality work", {
 test_that("aggregation works", {
   n <- 20
   every <- status_(rep("PASS", n))
-  some <- vec_assign(every, (1:n) <= 10, FALSE)
+  some <- status_(c(rep("PASS", n / 2), rep("FAIL", n / 2)))
   expect_length(every, n)
   expect_length(some, n)
 
diff --git a/vignettes/logging.Rmd b/vignettes/logging.Rmd
index 4d60965..1d58ba5 100644
--- a/vignettes/logging.Rmd
+++ b/vignettes/logging.Rmd
@@ -1,5 +1,10 @@
 ---
 title: "Logging"
+output: rmarkdown::html_vignette
+vignette: >
+  %\VignetteIndexEntry{Logging}
+  %\VignetteEngine{knitr::rmarkdown}
+  %\VignetteEncoding{UTF-8}
 ---
 
 ```{r, include = FALSE}