diff --git a/spring-boot-admin-client/src/main/java/de/codecentric/boot/admin/client/registration/DefaultApplicationRegistrator.java b/spring-boot-admin-client/src/main/java/de/codecentric/boot/admin/client/registration/DefaultApplicationRegistrator.java
index c39c8e97681..5724ad6b9e2 100644
--- a/spring-boot-admin-client/src/main/java/de/codecentric/boot/admin/client/registration/DefaultApplicationRegistrator.java
+++ b/spring-boot-admin-client/src/main/java/de/codecentric/boot/admin/client/registration/DefaultApplicationRegistrator.java
@@ -90,11 +90,11 @@ protected boolean register(Application application, String adminUrl, boolean fir
 			if (firstAttempt) {
 				LOGGER.warn(
 						"Failed to register application as {} at spring-boot-admin ({}): {}. Further attempts are logged on DEBUG level",
-						application, this.adminUrls, ex.getMessage());
+						application, this.adminUrls, ex.getMessage(), ex);
 			}
 			else {
 				LOGGER.debug("Failed to register application as {} at spring-boot-admin ({}): {}", application,
-						this.adminUrls, ex.getMessage());
+						this.adminUrls, ex.getMessage(), ex);
 			}
 			return false;
 		}