diff --git a/inst/extdata/example-chunk-not-json.md b/inst/extdata/example-chunk-not-json.md
new file mode 100644
index 0000000..fa5c210
--- /dev/null
+++ b/inst/extdata/example-chunk-not-json.md
@@ -0,0 +1,5 @@
+```{r echo=FALSE}
+1+1
+```
+
+Blablabla.
diff --git a/tests/testthat/_snaps/class-yarn/example-chunk-not-json.md b/tests/testthat/_snaps/class-yarn/example-chunk-not-json.md
new file mode 100644
index 0000000..00ea0fc
--- /dev/null
+++ b/tests/testthat/_snaps/class-yarn/example-chunk-not-json.md
@@ -0,0 +1,7 @@
+```{r, echo=FALSE}
+1+1
+```
+
+Blablabla.
+
+
diff --git a/tests/testthat/test-class-yarn.R b/tests/testthat/test-class-yarn.R
index 9a50b1f..3d2449e 100644
--- a/tests/testthat/test-class-yarn.R
+++ b/tests/testthat/test-class-yarn.R
@@ -203,3 +203,17 @@ test_that("TOML is preserved", {
   expect_snapshot_file(path, name = "example-json.md")
 
 })
+
+
+test_that("no metadata, chunk works", {
+
+  pathmd  <- system.file("extdata", "example-chunk-not-json.md", package = "tinkr")
+  y1 <- yarn$new(pathmd)
+
+  expect_equal(length(y1$frontmatter), 0)
+
+  path <- withr::local_tempfile()
+  y1$write(path)
+  expect_snapshot_file(path, name = "example-chunk-not-json.md")
+
+})