diff --git a/vignettes/interlacer.Rmd b/vignettes/interlacer.Rmd
index af4d393..9760733 100644
--- a/vignettes/interlacer.Rmd
+++ b/vignettes/interlacer.Rmd
@@ -200,7 +200,7 @@ values with missing reasons, or missing reasons with values? Inevitably, we'll
 create situations where we simultaneously have a value and a missing reason,
 or neither a value nor a missing reason:
 
-```{r}
+```{r, eval = FALSE}
 # Value and missing reason:
 df_deinterlaced |>
   mutate(