diff --git a/R/reprex-undo.R b/R/reprex-undo.R
index 256434f5..f2725ac3 100644
--- a/R/reprex-undo.R
+++ b/R/reprex-undo.R
@@ -145,6 +145,7 @@ reprex_undo <- function(input = NULL,
   )
   r_file <- r_file_clean(undo_files$filebase)
   if (would_clobber(r_file)) {
+    reprex_warning("Cancelling to avoid overwriting a file.")
     return(invisible())
   }
 
diff --git a/R/reprex_impl.R b/R/reprex_impl.R
index e41a698a..81e677a3 100644
--- a/R/reprex_impl.R
+++ b/R/reprex_impl.R
@@ -63,6 +63,7 @@ reprex_impl <- function(x_expr = NULL,
 
   r_file <- r_file(reprex_files$filebase)
   if (would_clobber(r_file)) {
+    reprex_warning("Cancelling to avoid overwriting a file.")
     return(invisible())
   }
 
diff --git a/R/utils-io.R b/R/utils-io.R
index 0c23060b..1955aabd 100644
--- a/R/utils-io.R
+++ b/R/utils-io.R
@@ -240,10 +240,10 @@ would_clobber <- function(path) {
   if (!file_exists(path)) {
     return(FALSE)
   }
+  reprex_path("Oops, file already exists:", path, type = "warning")
   if (!is_interactive()) {
     return(TRUE)
   }
-  reprex_path("Oops, file already exists:", path, type = "warning")
   nope("Carry on and overwrite it?")
 }