diff --git a/.github/workflows/lintdocurls.yml b/.github/workflows/lintdocurls.yml
index 243a81a73b..0fbe4d36f2 100644
--- a/.github/workflows/lintdocurls.yml
+++ b/.github/workflows/lintdocurls.yml
@@ -32,7 +32,7 @@ jobs:
           make lintdocurls 2>&1 | sed -n '/invalid URLs/,/^}/p' > $OUT_FILE
           if [ -n $OUT_FILE -a -s $OUT_FILE ]; then
             # wrap output in a code block
-            sed -i '1i```' -e '$a```' $OUT_FILE
+            sed -i -e '1i```' -e '$a```' $OUT_FILE
             echo "Automatically generated on $(date) from $run_url" >> $OUT_FILE
             gh issue reopen 36597
             gh issue edit 36597 --body-file $OUT_FILE