diff --git a/src/ert/gui/ertwidgets/suggestor_message.py b/src/ert/gui/ertwidgets/suggestor_message.py
index 1e69551b086..b4fd4055c52 100644
--- a/src/ert/gui/ertwidgets/suggestor_message.py
+++ b/src/ert/gui/ertwidgets/suggestor_message.py
@@ -17,6 +17,7 @@ def __init__(self, header, icon, info):
         self.setStyleSheet("background-color: white;")
 
         self.icon = icon
+        info.message = info.message.replace("<", "&lt;").replace(">", "&gt;")
         self.lbl = QLabel(
             "<b>" + header + "</b>" + info.message + "<p>" + info.location() + "</p>"
         )