diff --git a/contrib/backends/srndv2/src/srnd/templates.go b/contrib/backends/srndv2/src/srnd/templates.go
index d4bbe65..6b8afaf 100644
--- a/contrib/backends/srndv2/src/srnd/templates.go
+++ b/contrib/backends/srndv2/src/srnd/templates.go
@@ -411,10 +411,16 @@ func renderPostForm(prefix, board, op_msg_id string, files, captcha bool, i18n *
 	if op_msg_id != "" {
 		button = "Reply"
 		if i18n != nil {
-			button = i18n.Translate("postbutton-reply")
+			b := i18n.Translate("postbutton_reply")
+			if b != "" {
+				button = b
+			}
 		}
 	} else if i18n != nil {
-		button = i18n.Translate("postbutton-thread")
+		b := i18n.Translate("postbutton_thread")
+		if b != "" {
+			button = b
+		}
 	}
 	return template.renderTemplate("postform.mustache", map[string]interface{}{"post_url": url, "reference": op_msg_id, "button": button, "files": files, "prefix": prefix, "DisableCaptcha": !captcha}, i18n)
 }
diff --git a/contrib/translations/en-US.ini b/contrib/translations/en-US.ini
index 0090ef2..a7efd14 100644
--- a/contrib/translations/en-US.ini
+++ b/contrib/translations/en-US.ini
@@ -176,5 +176,5 @@ start_mining=Mine!
 
 download_prompt=Download
 
-postbutton-reply=Reply
-postbutton-thread=New Thread
+postbutton_reply=Reply
+postbutton_thread=New Thread
diff --git a/contrib/translations/ja-JP.ini b/contrib/translations/ja-JP.ini
index 65ea800..c5df226 100644
--- a/contrib/translations/ja-JP.ini
+++ b/contrib/translations/ja-JP.ini
@@ -180,8 +180,8 @@ board_title-overchan=のページ #
 navbar-links-title=ページ
 navbar-link=検索
 data-subject-none=無し
-postbutton-reply=回答
-postbutton-thread=親スレ
+postbutton_reply=回答
+postbutton_thread=親スレ
 excluded=# ポスト除外
 data-name=名無し
 paginator-next=次