diff --git a/scripts/s4-sns.case b/scripts/s4-sns.case
index 0bdd98d..478b9f6 100644
--- a/scripts/s4-sns.case
+++ b/scripts/s4-sns.case
@@ -38,7 +38,9 @@
     blog_reply $rowid
     ;;
   lshandout|gethandout)
-    contenttype; echo
+    if [ x"$stage" = x"lshandout" ]; then
+      contenttype; echo
+    fi
     rowid=${2%%[!A-Z0-9a-z_]*}
     if [ -z "$rowid" ]; then
       echo "話題番号が未指定です。" | html p