diff --git a/web/source/settings/admin/emoji/detail.js b/web/source/settings/admin/emoji/detail.js
index 26608471..51e29144 100644
--- a/web/source/settings/admin/emoji/detail.js
+++ b/web/source/settings/admin/emoji/detail.js
@@ -81,7 +81,7 @@ function EmojiDetail({emoji}) {
 	}
 
 	React.useEffect(() => {
-		if (category != emoji.category && !categoryState.open && !isNewCategory && emoji.category != undefined) {
+		if (category != emoji.category && !categoryState.open && !isNewCategory && category.trim().length > 0) {
 			console.log("updating to", category);
 			modifyEmoji({id: emoji.id, category: category.trim()});
 		}