diff --git a/app/assets/javascripts/02-editor.js b/app/assets/javascripts/02-editor.js
index e01132ef..87d47758 100644
--- a/app/assets/javascripts/02-editor.js
+++ b/app/assets/javascripts/02-editor.js
@@ -336,8 +336,17 @@ function cleanNode (node, contentEl) {
 				child.parentElement.removeChild(child)
 				return
 			} else if (child.tagName === "STYLE") {
+				return child.parentElement.removeChild(child)
+			} else if (child.tagName === "B") {
+				const el = document.createElement("STRONG")
+				moveChildren(child, el)
+				child.parentElement.insertBefore(el, child)
+				child.parentElement.removeChild(child)
+			} else if (child.tagName === "I") {
+				const el = document.createElement("EM")
+				moveChildren(child, el)
+				child.parentElement.insertBefore(el, child)
 				child.parentElement.removeChild(child)
-				return
 			}
 
 			for (const style of Object.values(child.style)) {