diff --git a/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigRecorder.java b/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigRecorder.java
index 72067f2afa0b8..befdd6537eeee 100644
--- a/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigRecorder.java
+++ b/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ConfigRecorder.java
@@ -60,7 +60,7 @@ public void validateConfigProperties(Set<ConfigValidationMetadata> properties) {
                 ConfigProducerUtil.getValue(property.getName(), effectivePropertyType, property.getDefaultValue(), config);
             } catch (Exception e) {
                 msg.append("Failed to load config value of type ").append(effectivePropertyType).append(" for: ")
-                        .append(property.getName());
+                        .append(property.getName()).append(System.lineSeparator());
                 problems.add(property.getName());
                 suppressed.add(e);
             }