diff --git a/src/diagrams/class/classDb.js b/src/diagrams/class/classDb.js
index 16f121ec9d..163ac10ddb 100644
--- a/src/diagrams/class/classDb.js
+++ b/src/diagrams/class/classDb.js
@@ -163,7 +163,7 @@ export const cleanupLabel = function (label) {
   if (label.substring(0, 1) === ':') {
     return common.sanitizeText(label.substr(1).trim(), configApi.getConfig());
   } else {
-    return label.trim();
+    return sanitizeText(label.trim());
   }
 };