diff --git a/dev/View/Popup/Compose.js b/dev/View/Popup/Compose.js
index 3e214fd8a..eb6a3f58a 100644
--- a/dev/View/Popup/Compose.js
+++ b/dev/View/Popup/Compose.js
@@ -945,7 +945,7 @@ export class ComposePopupView extends AbstractViewPopup {
 
 			this.editor(editor => {
 				encrypted || editor.setHtml(sText);
-				if (encrypted || this.isPlainEditor() || !message.isHtml()) {
+				if (encrypted || isPlainEditor() || !message.isHtml()) {
 					editor.modePlain();
 				}
 				encrypted && editor.setPlain(sText);