diff --git a/core/src/test/java/dev/fitko/fitconnect/core/validation/DefaultValidationServiceTest.java b/core/src/test/java/dev/fitko/fitconnect/core/validation/DefaultValidationServiceTest.java
index 066bcdf12d298d4fada5698ab8220aa3ba87a644..1d043dad4a623e5752595f2fa06c762984841127 100644
--- a/core/src/test/java/dev/fitko/fitconnect/core/validation/DefaultValidationServiceTest.java
+++ b/core/src/test/java/dev/fitko/fitconnect/core/validation/DefaultValidationServiceTest.java
@@ -161,7 +161,7 @@ class DefaultValidationServiceTest {
 
         // Then
         assertTrue(validationResult.hasError());
-        assertThat(validationResult.getError().getMessage(), containsString("\"certChain\" is null"));
+        assertThat(validationResult.getError().getMessage(), containsString("\"x5c\" is null"));
     }