diff --git a/extensions/smallrye-reactive-messaging/runtime/src/main/java/io/quarkus/smallrye/reactivemessaging/runtime/devui/Connectors.java b/extensions/smallrye-reactive-messaging/runtime/src/main/java/io/quarkus/smallrye/reactivemessaging/runtime/devui/Connectors.java
index a7a1ad38292fcc..54e7f6c1a1004d 100644
--- a/extensions/smallrye-reactive-messaging/runtime/src/main/java/io/quarkus/smallrye/reactivemessaging/runtime/devui/Connectors.java
+++ b/extensions/smallrye-reactive-messaging/runtime/src/main/java/io/quarkus/smallrye/reactivemessaging/runtime/devui/Connectors.java
@@ -92,8 +92,8 @@ private Map<String, String> getProperties(Config config, String connectorSuffix,
         String prefix = connectorPropertyName.substring(0, connectorPropertyName.length() - connectorSuffix.length());
         for (String propertyName : config.getPropertyNames()) {
             if (propertyName.startsWith(prefix) && !propertyName.equals(connectorPropertyName)) {
-                properties.put(propertyName.substring(prefix.length() + 1, propertyName.length()),
-                        config.getValue(propertyName, String.class));
+                properties.put(propertyName.substring(prefix.length() + 1),
+                        config.getOptionalValue(propertyName, String.class).orElse(""));
             }
         }
         return properties;